Catholic Encyclopedia Articles A
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- Aër (Catholic Encyclopedia)
- Aërius of Pontus (Catholic Encyclopedia)
- Aëtius (Catholic Encyclopedia)
- Añazco, Pedro de (Catholic Encyclopedia)
- Aachen (Catholic Encyclopedia)
- Aarhus, Ancient See of (Catholic Encyclopedia)
- Aaron (Catholic Encyclopedia)
- Abachum, Audifax, Martha, and Maris, Saints (Catholic Encyclopedia)
- Abaddon (Catholic Encyclopedia)
- Abandonment (Catholic Encyclopedia)
- Abarca, Pedro (Catholic Encyclopedia)
- Abarim (Catholic Encyclopedia)
- Abbé (Catholic Encyclopedia)
- Abba (Catholic Encyclopedia)
- Abbadie, Antoine d' (Catholic Encyclopedia)
- Abban of Magheranoidhe, Saint (Catholic Encyclopedia)
- Abban of New Ross, Saint (Catholic Encyclopedia)
- Abban the Hermit, Saint (Catholic Encyclopedia)
- Abbeloos, Jean Baptiste (Catholic Encyclopedia)
- Abbess (Catholic Encyclopedia)
- Abbey (Catholic Encyclopedia)
- Abbo Cernuus (Catholic Encyclopedia)
- Abbon, Saint (Catholic Encyclopedia)
- Abbot (Catholic Encyclopedia)
- Abbot, Commendatory (Catholic Encyclopedia)
- Abbot, Henry (Catholic Encyclopedia)
- Abbot, Lay (Catholic Encyclopedia)
- Abbreviation, Methods of (Catholic Encyclopedia)
- Abbreviations, Ecclesiastical (Catholic Encyclopedia)
- Abbreviators (Catholic Encyclopedia)
- Abdera (Catholic Encyclopedia)
- Abdias (Catholic Encyclopedia)
- Abdias of Babylon (Catholic Encyclopedia)
- Abdication (Catholic Encyclopedia)
- Abdon and Sennen, Saints (Catholic Encyclopedia)
- Abduction (Catholic Encyclopedia)
- Abecedaria (Catholic Encyclopedia)
- Abecedarians (Catholic Encyclopedia)
- Abel, Blessed Thomas (Catholic Encyclopedia)
- Abelard, Peter (Catholic Encyclopedia)
- Abelly, Louis (Catholic Encyclopedia)
- Aben-Ezra, Abraham-ben-Méir (Catholic Encyclopedia)
- Abenakis (Catholic Encyclopedia)
- Abercius, Inscription of (Catholic Encyclopedia)
- Abercromby, John (Catholic Encyclopedia)
- Abercromby, Robert (Catholic Encyclopedia)
- Aberdeen, The Diocese of (Catholic Encyclopedia)
- Aberdeen, The University of (Catholic Encyclopedia)
- Aberle, Moritz von (Catholic Encyclopedia)
- Abgar, The Legend of (Catholic Encyclopedia)
- Abhan, Saint (Catholic Encyclopedia)
- Abiathar (Catholic Encyclopedia)
- Abila (Catholic Encyclopedia)
- Abingdon, The Abbey of (Catholic Encyclopedia)
- Abington, Thomas (Catholic Encyclopedia)
- Abiogenesis and Biogenesis (Catholic Encyclopedia)
- Abipones (Catholic Encyclopedia)
- Abisai (Catholic Encyclopedia)
- Abjuration (Catholic Encyclopedia)
- Abner (Catholic Encyclopedia)
- Abomination of Desolation, The (Catholic Encyclopedia)
- Abortion (Catholic Encyclopedia)
- Abortion, Physical Effects of (Catholic Encyclopedia)
- Abra de Raconis, Charles François d' (Catholic Encyclopedia)
- Abrabanel, Don Isaac (Catholic Encyclopedia)
- Abraham (Catholic Encyclopedia)
- Abraham (in Liturgy) (Catholic Encyclopedia)
- Abraham Ecchelensis (Catholic Encyclopedia)
- Abraham a Sancta Clara (Catholic Encyclopedia)
- Abraham, The Bosom of (Catholic Encyclopedia)
- Abrahamites (Catholic Encyclopedia)
- Abram, Nicholas (Catholic Encyclopedia)
- Abrasax (Catholic Encyclopedia)
- Absalom (Catholic Encyclopedia)
- Absalon of Lund (Catholic Encyclopedia)
- Absinthe (Catholic Encyclopedia)
- Absolute, The (Catholic Encyclopedia)
- Absolution (Catholic Encyclopedia)
- Abstemii (Catholic Encyclopedia)
- Abstinence (Catholic Encyclopedia)
- Abstinence, Physical Effects of (Catholic Encyclopedia)
- Abstraction (Catholic Encyclopedia)
- Abthain (Catholic Encyclopedia)
- Abucara, Theodore (Catholic Encyclopedia)
- Abundius (Catholic Encyclopedia)
- Abydus (Catholic Encyclopedia)
- Abyss (Catholic Encyclopedia)
- Abyssinia (Catholic Encyclopedia)
- Acacia (Catholic Encyclopedia)
- Acacians, The (Catholic Encyclopedia)
- Acacius, Saint (Catholic Encyclopedia)
- Academies, Roman (Catholic Encyclopedia)
- Academy, The French (Catholic Encyclopedia)
- Acadia (Catholic Encyclopedia)
- Acathistus (Catholic Encyclopedia)
- Acca, Saint (Catholic Encyclopedia)
- Accaron (Catholic Encyclopedia)
- Accentus Ecclesiasticus (Catholic Encyclopedia)
- Acceptance (Catholic Encyclopedia)
- Acceptants (Catholic Encyclopedia)
- Accession (Catholic Encyclopedia)
- Accessus (Catholic Encyclopedia)
- Acciajuoli (Catholic Encyclopedia)
- Accident (Catholic Encyclopedia)
- Acclamation (Catholic Encyclopedia)
- Acclamation (in Papal Elections) (Catholic Encyclopedia)
- Accommodation, Biblical (Catholic Encyclopedia)
- Accomplice (Catholic Encyclopedia)
- Accursius, Francesco (Catholic Encyclopedia)
- Acephali (Catholic Encyclopedia)
- Acerenza (Catholic Encyclopedia)
- Achéry, Lucas d' (Catholic Encyclopedia)
- Achab (Catholic Encyclopedia)
- Achaia (Catholic Encyclopedia)
- Achaicus (Catholic Encyclopedia)
- Achaz (Catholic Encyclopedia)
- Achiacharus (Catholic Encyclopedia)
- Achilleus and Nereus, Domitilla and Pancratius, Saints (Catholic Encyclopedia)
- Achimaas (Catholic Encyclopedia)
- Achimelech (Catholic Encyclopedia)
- Achitopel (Catholic Encyclopedia)
- Achonry (Catholic Encyclopedia)
- Achor Valley (Catholic Encyclopedia)
- Achrida (Catholic Encyclopedia)
- Achterfeldt, Johann Heinrich (Catholic Encyclopedia)
- Achtermann, Theodore William (Catholic Encyclopedia)
- Aci-Reale, The Diocese of (Catholic Encyclopedia)
- Acidalius, Valens (Catholic Encyclopedia)
- Ackermann, Leopold (Catholic Encyclopedia)
- Acmonia (Catholic Encyclopedia)
- Acoemetae (Catholic Encyclopedia)
- Acolouthia (Catholic Encyclopedia)
- Acolyte (Catholic Encyclopedia)
- Acosta, Joaquín (Catholic Encyclopedia)
- Acosta, José de (Catholic Encyclopedia)
- Acquaviva, Claudius (Catholic Encyclopedia)
- Acqui (Catholic Encyclopedia)
- Acrostic (Catholic Encyclopedia)
- Act of Settlement (Irish) (Catholic Encyclopedia)
- Acta Pilati (Catholic Encyclopedia)
- Acta Sanctæ Sedis (Catholic Encyclopedia)
- Acta Sanctorum Hiberniæ (Catholic Encyclopedia)
- Acta Triadis Thaumaturgæ (Catholic Encyclopedia)
- Acton, Charles Januarius (Catholic Encyclopedia)
- Acton, John (Catholic Encyclopedia)
- Acton, John Emerich Edward Dalberg, Baron Acton (Catholic Encyclopedia)
- Acton, John Francis Edward (Catholic Encyclopedia)
- Acts of Roman Congregations (Catholic Encyclopedia)
- Acts of the Apostles (Catholic Encyclopedia)
- Acts of the Martyrs (Catholic Encyclopedia)
- Acts, Canonical (Catholic Encyclopedia)
- Acts, Human (Catholic Encyclopedia)
- Acts, Indifferent (Catholic Encyclopedia)
- Actual Grace (Catholic Encyclopedia)
- Actus Purus (Catholic Encyclopedia)
- Actus et Potentia (Catholic Encyclopedia)
- Actus primus (Catholic Encyclopedia)
- Acuas (Catholic Encyclopedia)
- Ad Apostolicae Dignitatis Apicem (Catholic Encyclopedia)
- Ad Limina Apostolorum (Catholic Encyclopedia)
- Ad Limina Visit (Catholic Encyclopedia)
- Ad Sanctam Beati Petri Sedem (Catholic Encyclopedia)
- Ad Universalis Ecclesiae (Catholic Encyclopedia)
- Adalard, Saint (Catholic Encyclopedia)
- Adalbert (Catholic Encyclopedia)
- Adalbert I (Catholic Encyclopedia)
- Adam (Catholic Encyclopedia)
- Adam Scotus (Catholic Encyclopedia)
- Adam in Early Christian Liturgy and Literature (Catholic Encyclopedia)
- Adam of Bremen (Catholic Encyclopedia)
- Adam of Fulda (Catholic Encyclopedia)
- Adam of Murimuth (Catholic Encyclopedia)
- Adam of Perseigne (Catholic Encyclopedia)
- Adam of St. Victor (Catholic Encyclopedia)
- Adam of Usk (Catholic Encyclopedia)
- Adam, John (Catholic Encyclopedia)
- Adam, Nicholas (Catholic Encyclopedia)
- Adam, The Books of (Catholic Encyclopedia)
- Adami da Bolsena, Andrea (Catholic Encyclopedia)
- Adamites (Catholic Encyclopedia)
- Adamnan, Saint (Catholic Encyclopedia)
- Adams, James (Catholic Encyclopedia)
- Adams, Ven. John (Catholic Encyclopedia)
- Adana (Catholic Encyclopedia)
- Adar (Catholic Encyclopedia)
- Adauctus and Felix, Saints (Catholic Encyclopedia)
- Adda, Ferdinando d' (Catholic Encyclopedia)
- Addai, Doctrine of (Catholic Encyclopedia)
- Addas (Catholic Encyclopedia)
- Addeus and Maris, Liturgy of (Catholic Encyclopedia)
- Addresses, Ecclesiastical (Catholic Encyclopedia)
- Adelaide, Archdiocese of (Catholic Encyclopedia)
- Adelard of Bath (Catholic Encyclopedia)
- Adelham, John Placid (Catholic Encyclopedia)
- Adelmann (Catholic Encyclopedia)
- Adelophagi (Catholic Encyclopedia)
- Aden (Catholic Encyclopedia)
- Adeodatus (Catholic Encyclopedia)
- Adeodatus (II), Pope Saint (Catholic Encyclopedia)
- Adeodatus I, Pope Saint (Catholic Encyclopedia)
- Adeste Fidelis (Catholic Encyclopedia)
- Adjuration (Catholic Encyclopedia)
- Administrator (Catholic Encyclopedia)
- Administrator (of Ecclesiastical Property) (Catholic Encyclopedia)
- Admonitions, Canonical (Catholic Encyclopedia)
- Admont (Catholic Encyclopedia)
- Ado of Vienne, Saint (Catholic Encyclopedia)
- Adonai (Catholic Encyclopedia)
- Adonias (Catholic Encyclopedia)
- Adoption (Catholic Encyclopedia)
- Adoption, Canonical (Catholic Encyclopedia)
- Adoption, Supernatural (Catholic Encyclopedia)
- Adoptionism (Catholic Encyclopedia)
- Adoration (Catholic Encyclopedia)
- Adoration, Perpetual (Catholic Encyclopedia)
- Adorno, Francis (Catholic Encyclopedia)
- Adoro Te Devote (Catholic Encyclopedia)
- Adria (Catholic Encyclopedia)
- Adrian I, Pope (Catholic Encyclopedia)
- Adrian II, Pope (Catholic Encyclopedia)
- Adrian III, Pope Saint (Catholic Encyclopedia)
- Adrian IV, Pope (Catholic Encyclopedia)
- Adrian V, Pope (Catholic Encyclopedia)
- Adrian VI, Pope (Catholic Encyclopedia)
- Adrian of Canterbury, Saint (Catholic Encyclopedia)
- Adrian of Castello (Catholic Encyclopedia)
- Adrianople (Catholic Encyclopedia)
- Adrichem, Christian Kruik van (Catholic Encyclopedia)
- Adso (Catholic Encyclopedia)
- Aduarte, Diego Francisco (Catholic Encyclopedia)
- Adullam (Catholic Encyclopedia)
- Adulteration of Food (Catholic Encyclopedia)
- Adultery (Catholic Encyclopedia)
- Advent (Catholic Encyclopedia)
- Adventists (Catholic Encyclopedia)
- Advertisements, Book of (Catholic Encyclopedia)
- Advocates of Roman Congregations (Catholic Encyclopedia)
- Advocates of St. Peter (Catholic Encyclopedia)
- Advocatus Diaboli (Catholic Encyclopedia)
- Advocatus Ecclesiæ (Catholic Encyclopedia)
- Advowson (Catholic Encyclopedia)
- Adytum (Catholic Encyclopedia)
- Aedan of Ferns, Saint (Catholic Encyclopedia)
- Aedh of Kildare (Catholic Encyclopedia)
- Aegidius of Assisi, Blessed (Catholic Encyclopedia)
- Aegidius of Viterbo (Catholic Encyclopedia)
- Aelfred the Great (Catholic Encyclopedia)
- Aelfric, Abbot of Eynsham (Catholic Encyclopedia)
- Aelnoth (Catholic Encyclopedia)
- Aelred, Saint (Catholic Encyclopedia)
- Aengus, Saint (the Culdee) (Catholic Encyclopedia)
- Aenon (Catholic Encyclopedia)
- Aeons (Catholic Encyclopedia)
- Affinity (in Canon Law) (Catholic Encyclopedia)
- Affinity (in the Bible) (Catholic Encyclopedia)
- Affirmation (Catholic Encyclopedia)
- Afflighem (Catholic Encyclopedia)
- Affre, Denis Auguste (Catholic Encyclopedia)
- Afonzo de Albuquerque (Catholic Encyclopedia)
- Afra, Saint (Catholic Encyclopedia)
- Africa (Catholic Encyclopedia)
- African Church, Early (Catholic Encyclopedia)
- African Liturgy (Catholic Encyclopedia)
- African Synods (Catholic Encyclopedia)
- Agabus (Catholic Encyclopedia)
- Agape (Catholic Encyclopedia)
- Agapetæ (Catholic Encyclopedia)
- Agapetus (Catholic Encyclopedia)
- Agapetus I, Pope Saint (Catholic Encyclopedia)
- Agapetus II, Pope (Catholic Encyclopedia)
- Agar, William Seth (Catholic Encyclopedia)
- Agatha, Saint (Catholic Encyclopedia)
- Agathangelus (Catholic Encyclopedia)
- Agathias (Catholic Encyclopedia)
- Agatho, Pope Saint (Catholic Encyclopedia)
- Agaunum (Catholic Encyclopedia)
- Agazzari, Agostini (Catholic Encyclopedia)
- Agde, Council of (Catholic Encyclopedia)
- Age of Reason (Catholic Encyclopedia)
- Age, Canonical (Catholic Encyclopedia)
- Agen, Diocese of (Catholic Encyclopedia)
- Agents of Roman Congregations (Catholic Encyclopedia)
- Aggeus (Catholic Encyclopedia)
- Aggressor, Unjust (Catholic Encyclopedia)
- Agiles, Raymond d' (Catholic Encyclopedia)
- Agilulfus, Saint (Catholic Encyclopedia)
- Agios O Theos (Catholic Encyclopedia)
- Agnelli, Fra. Guglielmo (Catholic Encyclopedia)
- Agnelli, Giuseppe (Catholic Encyclopedia)
- Agnellus of Pisa, Blessed (Catholic Encyclopedia)
- Agnellus, Andreas, of Ravenna (Catholic Encyclopedia)
- Agnes of Assisi, Saint (Catholic Encyclopedia)
- Agnes of Bohemia, Blessed (Catholic Encyclopedia)
- Agnes of Montepulciano, Saint (Catholic Encyclopedia)
- Agnes of Prague, Blessed (Catholic Encyclopedia)
- Agnes of Rome, Saint and Martyr (Catholic Encyclopedia)
- Agnesi, Maria Gaetana (Catholic Encyclopedia)
- Agnetz (Catholic Encyclopedia)
- Agnoetae (Catholic Encyclopedia)
- Agnosticism (Catholic Encyclopedia)
- Agnus Dei (Catholic Encyclopedia)
- Agnus Dei (in Liturgy) (Catholic Encyclopedia)
- Agonistici (Catholic Encyclopedia)
- Agony of Christ (Catholic Encyclopedia)
- Agony, Archconfraternity of Holy (Catholic Encyclopedia)
- Agostini, Paolo (Catholic Encyclopedia)
- Agostino Novello, Blessed (Catholic Encyclopedia)
- Agoult, Charles Consstance César Joseph Matthieu d' (Catholic Encyclopedia)
- Agra (Catholic Encyclopedia)
- Agram (Catholic Encyclopedia)
- Agrapha (Catholic Encyclopedia)
- Agrarianism (Catholic Encyclopedia)
- Agreda, Maria de (Catholic Encyclopedia)
- Agria (Catholic Encyclopedia)
- Agricius, Saint (Catholic Encyclopedia)
- Agricola, Alexander (Catholic Encyclopedia)
- Agricola, George (Catholic Encyclopedia)
- Agricola, Rudolph (Catholic Encyclopedia)
- Agrippa of Nettesheim, Heinrich Cornelius (Catholic Encyclopedia)
- Agrippinus (Catholic Encyclopedia)
- Aguas Calientes (Catholic Encyclopedia)
- Aguirre, Joseph Saenz de (Catholic Encyclopedia)
- Ahicam (Catholic Encyclopedia)
- Ahriman and Ormuzd (Catholic Encyclopedia)
- Aiblinger, Johann Caspar (Catholic Encyclopedia)
- Aichinger, Gregor (Catholic Encyclopedia)
- Aidan of Lindisfarne, Saint (Catholic Encyclopedia)
- Aiguillon, Duchess of (Catholic Encyclopedia)
- Aikenhead, Mary (Catholic Encyclopedia)
- Ailbe, Saint (Catholic Encyclopedia)
- Aileran, Saint (Catholic Encyclopedia)
- Ailleboust, Family of d' (Catholic Encyclopedia)
- Ailly, Pierre d' (Catholic Encyclopedia)
- Aimerich, Mateo (Catholic Encyclopedia)
- Aire (Catholic Encyclopedia)
- Airoli, Giacomo Maria (Catholic Encyclopedia)
- Aisle (Catholic Encyclopedia)
- Aistulph (Catholic Encyclopedia)
- Aix, Archdiocese of (Catholic Encyclopedia)
- Aix-en-Provence, Councils of (Catholic Encyclopedia)
- Ajaccio, Diocese of (Catholic Encyclopedia)
- Akathistos (Catholic Encyclopedia)
- Akhmin (Catholic Encyclopedia)
- Akominatos, Michael & Nicetas (Catholic Encyclopedia)
- Alabama (Catholic Encyclopedia)
- Alabanda (Catholic Encyclopedia)
- Alabaster (Catholic Encyclopedia)
- Alagoas (Catholic Encyclopedia)
- Alagona, Pietro (Catholic Encyclopedia)
- Alain de l'Isle (Catholic Encyclopedia)
- Alalis (Catholic Encyclopedia)
- Alaman, Lucas (Catholic Encyclopedia)
- Alamanni, Niccolò (Catholic Encyclopedia)
- Alan of Tewkesbury (Catholic Encyclopedia)
- Alan of Walsingham (Catholic Encyclopedia)
- Alanus de Rupe (Catholic Encyclopedia)
- Alarcón, Pedro Antonio de (Catholic Encyclopedia)
- Alaska (Catholic Encyclopedia)
- Alatri (Catholic Encyclopedia)
- Alb (Catholic Encyclopedia)
- Alba Pompeia, Diocese of (Catholic Encyclopedia)
- Alban, Saint (Catholic Encyclopedia)
- Albanenses (Catholic Encyclopedia)
- Albani (Catholic Encyclopedia)
- Albania (Catholic Encyclopedia)
- Albano (Catholic Encyclopedia)
- Albany (Catholic Encyclopedia)
- Albenga (Catholic Encyclopedia)
- Albergati, Niccolo (Catholic Encyclopedia)
- Alberic of Monte Cassino (Catholic Encyclopedia)
- Alberic of Ostia (Catholic Encyclopedia)
- Albero de Montreuil (Catholic Encyclopedia)
- Alberoni, Giulio (Catholic Encyclopedia)
- Albert Berdini of Sarteano, Blessed (Catholic Encyclopedia)
- Albert II, Archbishop of Magdeburg in Saxony (Catholic Encyclopedia)
- Albert of Aachen (Catholic Encyclopedia)
- Albert of Brandenburg (Catholic Encyclopedia)
- Albert of Castile (Catholic Encyclopedia)
- Albert of Saxony (Catholic Encyclopedia)
- Albert of Stade (Catholic Encyclopedia)
- Albert, Bishop of Riga (Catholic Encyclopedia)
- Albert, Blessed (Patriarch of Jerusalem) (Catholic Encyclopedia)
- Albert, Saint (Catholic Encyclopedia)
- Alberta and Saskatchewan (Catholic Encyclopedia)
- Alberti, Leandro (Catholic Encyclopedia)
- Alberti, Leone Battista (Catholic Encyclopedia)
- Albertini, Nicolò (Catholic Encyclopedia)
- Albertrandi, John Baptist (Catholic Encyclopedia)
- Albertus Magnus, Saint (Catholic Encyclopedia)
- Albi (Albia), Archdiocese of (Catholic Encyclopedia)
- Albi, Council of (Catholic Encyclopedia)
- Albi, Juan de (Catholic Encyclopedia)
- Albicus, Sigismund (Catholic Encyclopedia)
- Albigenses (Catholic Encyclopedia)
- Albinus (Catholic Encyclopedia)
- Albrechtsberger, Johann G. (Catholic Encyclopedia)
- Albright Brethren, The (Catholic Encyclopedia)
- Alcántara, Military Order of (Catholic Encyclopedia)
- Alcalá, University of (Catholic Encyclopedia)
- Alcedo, Antonio de (Catholic Encyclopedia)
- Alchemy (Catholic Encyclopedia)
- Alciati, Andrea (Catholic Encyclopedia)
- Alcimus (Catholic Encyclopedia)
- Alcmund, Saint (Catholic Encyclopedia)
- Alcock, John (Catholic Encyclopedia)
- Alcoholism (Catholic Encyclopedia)
- Alcuin (Catholic Encyclopedia)
- Aldegundis, Saint (Catholic Encyclopedia)
- Aldersbach (Catholic Encyclopedia)
- Aldfrith (Catholic Encyclopedia)
- Aldhelm, Saint (Catholic Encyclopedia)
- Aldric, Saint (Catholic Encyclopedia)
- Aldrovandi, Ulissi (Catholic Encyclopedia)
- Alea, Leonard (Catholic Encyclopedia)
- Alegambe, Philippe (Catholic Encyclopedia)
- Alegre, Francisco Xavier (Catholic Encyclopedia)
- Alemany, Joseph Sadoc (Catholic Encyclopedia)
- Alenio, Guilio (Catholic Encyclopedia)
- Aleppo (Catholic Encyclopedia)
- Ales and Terralba (Catholic Encyclopedia)
- Alessandria della Paglia (Catholic Encyclopedia)
- Alessi, Galeazzo (Catholic Encyclopedia)
- Alessio (Catholic Encyclopedia)
- Alexander (Name of Seven Men) (Catholic Encyclopedia)
- Alexander (Name of Several Early Bishops) (Catholic Encyclopedia)
- Alexander Briant, Blessed (Catholic Encyclopedia)
- Alexander I, Pope Saint (Catholic Encyclopedia)
- Alexander II, Pope (Catholic Encyclopedia)
- Alexander III, Pope (Catholic Encyclopedia)
- Alexander IV, Pope (Catholic Encyclopedia)
- Alexander Natalis (Catholic Encyclopedia)
- Alexander Sauli, Blessed (Catholic Encyclopedia)
- Alexander V (Catholic Encyclopedia)
- Alexander VI, Pope (Catholic Encyclopedia)
- Alexander VII, Pope (Catholic Encyclopedia)
- Alexander VIII, Pope (Catholic Encyclopedia)
- Alexander of Abonoteichos (Catholic Encyclopedia)
- Alexander of Hales (Catholic Encyclopedia)
- Alexander of Lycopolis (Catholic Encyclopedia)
- Alexander, Saint (Bishop of Comana) (Catholic Encyclopedia)
- Alexander, Saint (Of Cappadocia and Jerusalem) (Catholic Encyclopedia)
- Alexander, Saint (Patriarch of Alexandria) (Catholic Encyclopedia)
- Alexandre, Dom Jacques (Catholic Encyclopedia)
- Alexandria (Catholic Encyclopedia)
- Alexandria, Councils of (Catholic Encyclopedia)
- Alexandria, The Church of (Catholic Encyclopedia)
- Alexandria, The Diocese of (Catholic Encyclopedia)
- Alexandrian Library, The (Catholic Encyclopedia)
- Alexandrine Liturgy, The (Catholic Encyclopedia)
- Alexandrinus, Codex (Catholic Encyclopedia)
- Alexian Nuns (Catholic Encyclopedia)
- Alexians (Catholic Encyclopedia)
- Alexis Falconieri, Saint (Catholic Encyclopedia)
- Alexius, Saint (Catholic Encyclopedia)
- Alfield, Venerable Thomas (Catholic Encyclopedia)
- Alfieri, Count Vittorio (Catholic Encyclopedia)
- Alfieri, Pietro (Catholic Encyclopedia)
- Alfonso de Zamora (Catholic Encyclopedia)
- Alfonso of Burgos (Catholic Encyclopedia)
- Alford, Michael (Catholic Encyclopedia)
- Alfred the Great (Catholic Encyclopedia)
- Alfrida, Saint (Catholic Encyclopedia)
- Alfwold, Saint (Catholic Encyclopedia)
- Alger of Liége (Catholic Encyclopedia)
- Alghero (Catholic Encyclopedia)
- Algiers (Catholic Encyclopedia)
- Algonquins (Catholic Encyclopedia)
- Alife (Catholic Encyclopedia)
- Alighieri, Dante (Catholic Encyclopedia)
- Alimentation (Catholic Encyclopedia)
- Alimony (Catholic Encyclopedia)
- Aliturgical Days (Catholic Encyclopedia)
- All Hallows College (Catholic Encyclopedia)
- All Saints' Day (Catholic Encyclopedia)
- All Souls' Day (Catholic Encyclopedia)
- Allah (Catholic Encyclopedia)
- Allahabad (Catholic Encyclopedia)
- Allard, Paul (Catholic Encyclopedia)
- Allatius, Leo (Catholic Encyclopedia)
- Allegranza, Joseph (Catholic Encyclopedia)
- Allegri, Antonio (Catholic Encyclopedia)
- Allegri, Gregorio (Catholic Encyclopedia)
- Alleluia (Catholic Encyclopedia)
- Allemand, Jean (Catholic Encyclopedia)
- Allen, Edward Patrick (Catholic Encyclopedia)
- Allen, Frances (Catholic Encyclopedia)
- Allen, George (Catholic Encyclopedia)
- Allen, William (Catholic Encyclopedia)
- Allerstein, August (Catholic Encyclopedia)
- Alliance, Holy (Catholic Encyclopedia)
- Allies, Thomas William (Catholic Encyclopedia)
- Allioli, Joseph Franz (Catholic Encyclopedia)
- Allison, William (Catholic Encyclopedia)
- Allocution (Catholic Encyclopedia)
- Allori (Catholic Encyclopedia)
- Allot, William (Catholic Encyclopedia)
- Allouez, Claude (Catholic Encyclopedia)
- Alma (Catholic Encyclopedia)
- Alma Redemptoris Mater (Catholic Encyclopedia)
- Almagro, Diego de (Catholic Encyclopedia)
- Almedha, Saint (Catholic Encyclopedia)
- Almeida, John (Catholic Encyclopedia)
- Almeria (Catholic Encyclopedia)
- Almici, Camillo (Catholic Encyclopedia)
- Almond, John (Catholic Encyclopedia)
- Almond, John, Venerable (Catholic Encyclopedia)
- Almond, Oliver (Catholic Encyclopedia)
- Alms and Almsgiving (Catholic Encyclopedia)
- Alnoth, Saint (Catholic Encyclopedia)
- Alogi (Catholic Encyclopedia)
- Aloysius Gonzaga, Saint (Catholic Encyclopedia)
- Alpha and Omega (Catholic Encyclopedia)
- Alpha and Omega (in Scripture) (Catholic Encyclopedia)
- Alphabet, Christian Use of the (Catholic Encyclopedia)
- Alphege, Saint (Catholic Encyclopedia)
- Alphonsus Liguori, Saint (Catholic Encyclopedia)
- Alphonsus Rodriguez, Saint (Catholic Encyclopedia)
- Alpini, Prospero (Catholic Encyclopedia)
- Alsace-Lorraine (Catholic Encyclopedia)
- Altamirano, Diego Francisco (Catholic Encyclopedia)
- Altamura and Acquaviva (Catholic Encyclopedia)
- Altar (in Liturgy) (Catholic Encyclopedia)
- Altar Bell (Catholic Encyclopedia)
- Altar Breadboxes (Catholic Encyclopedia)
- Altar Breads (Catholic Encyclopedia)
- Altar Candles (Catholic Encyclopedia)
- Altar Candlesticks (Catholic Encyclopedia)
- Altar Canopy (Catholic Encyclopedia)
- Altar Cards (Catholic Encyclopedia)
- Altar Carpets (Catholic Encyclopedia)
- Altar Cavity (Catholic Encyclopedia)
- Altar Cloths (Catholic Encyclopedia)
- Altar Crucifix (Catholic Encyclopedia)
- Altar Curtain (Catholic Encyclopedia)
- Altar Frontal (Catholic Encyclopedia)
- Altar Horns (Catholic Encyclopedia)
- Altar Lamp (Catholic Encyclopedia)
- Altar Lanterns (Catholic Encyclopedia)
- Altar Ledge (Catholic Encyclopedia)
- Altar Linens (Catholic Encyclopedia)
- Altar Protector (Catholic Encyclopedia)
- Altar Rail (Catholic Encyclopedia)
- Altar Screen (Catholic Encyclopedia)
- Altar Side (Catholic Encyclopedia)
- Altar Steps (Catholic Encyclopedia)
- Altar Stole (Catholic Encyclopedia)
- Altar Stone (Catholic Encyclopedia)
- Altar Tomb (Catholic Encyclopedia)
- Altar Vase (Catholic Encyclopedia)
- Altar Vessels (Catholic Encyclopedia)
- Altar Wine (Catholic Encyclopedia)
- Altar of Our Lady (Catholic Encyclopedia)
- Altar of Repose (Catholic Encyclopedia)
- Altar, Double (Catholic Encyclopedia)
- Altar, High (Catholic Encyclopedia)
- Altar, History of the Christian (Catholic Encyclopedia)
- Altar, Portable (Catholic Encyclopedia)
- Altar, Privileged (Catholic Encyclopedia)
- Altar, Stripping of an (Catholic Encyclopedia)
- Altarage (Catholic Encyclopedia)
- Altarpiece (Catholic Encyclopedia)
- Altars (in Scripture) (Catholic Encyclopedia)
- Altars (in the Greek Churches) (Catholic Encyclopedia)
- Altmann, Blessed (Catholic Encyclopedia)
- Alto, Saint (Catholic Encyclopedia)
- Alton (Catholic Encyclopedia)
- Altoona (Catholic Encyclopedia)
- Altruism (Catholic Encyclopedia)
- Alumbrados (Catholic Encyclopedia)
- Alumnus (Catholic Encyclopedia)
- Alunno, Niccolò (Catholic Encyclopedia)
- Alva y Astorga, Pedro d' (Catholic Encyclopedia)
- Alva, The Duke of (Catholic Encyclopedia)
- Alvarado, Alonzo de (Catholic Encyclopedia)
- Alvarado, Fray Francisco de (Catholic Encyclopedia)
- Alvarado, Pedro de (Catholic Encyclopedia)
- Alvarez de Paz (Catholic Encyclopedia)
- Alvarez, Balthazar (Catholic Encyclopedia)
- Alvarez, Diego (Catholic Encyclopedia)
- Alvarez, Manoel (Catholic Encyclopedia)
- Alvarus Pelagius (Catholic Encyclopedia)
- Alypius, Saint (Catholic Encyclopedia)
- Alzate, José Antonio (Catholic Encyclopedia)
- Alzog, Johann Baptist (Catholic Encyclopedia)
- Ama (Catholic Encyclopedia)
- Amadeo, Giovanni Antonio (Catholic Encyclopedia)
- Amadia and Akra (Catholic Encyclopedia)
- Amalarius of Metz (Catholic Encyclopedia)
- Amalec (Catholic Encyclopedia)
- Amalfi (Catholic Encyclopedia)
- Amalricians (Catholic Encyclopedia)
- Amalricus Augerii (Catholic Encyclopedia)
- Amandus, Saint (Catholic Encyclopedia)
- Amasia (Catholic Encyclopedia)
- Amastris (Catholic Encyclopedia)
- Amat, Thaddeus (Catholic Encyclopedia)
- Amathus (Catholic Encyclopedia)
- Amazones, Diocese of (Catholic Encyclopedia)
- Ambarach, Peter (Catholic Encyclopedia)
- Ambition (Catholic Encyclopedia)
- Ambo (Catholic Encyclopedia)
- Ambo (in the Russian and Greek Church) (Catholic Encyclopedia)
- Amboise, George d' (Catholic Encyclopedia)
- Ambronay, Our Lady of (Catholic Encyclopedia)
- Ambros, August Wilhelm (Catholic Encyclopedia)
- Ambrose of Camaldoli, Saint (Catholic Encyclopedia)
- Ambrose of Sienna, Blessed (Catholic Encyclopedia)
- Ambrose, Saint (Catholic Encyclopedia)
- Ambrosian Basilica (Catholic Encyclopedia)
- Ambrosian Chant (Catholic Encyclopedia)
- Ambrosian Hymnography (Catholic Encyclopedia)
- Ambrosian Library (Catholic Encyclopedia)
- Ambrosian Liturgy and Rite (Catholic Encyclopedia)
- Ambrosians (Catholic Encyclopedia)
- Ambrosiaster (Catholic Encyclopedia)
- Ambulatory (Catholic Encyclopedia)
- Amelia (Catholic Encyclopedia)
- Amelote, Denis (Catholic Encyclopedia)
- Amen (Catholic Encyclopedia)
- Amende Honorable (Catholic Encyclopedia)
- Amerbach, Veit (Catholic Encyclopedia)
- America (Catholic Encyclopedia)
- America, Pre-Columbian Discovery of (Catholic Encyclopedia)
- American College at Louvain, The (Catholic Encyclopedia)
- American College in Rome, The (Catholic Encyclopedia)
- American College in Rome, The South (Catholic Encyclopedia)
- American Protective Association, The (Catholic Encyclopedia)
- Amerigo Vespucci (Catholic Encyclopedia)
- Amherst, Francis Kerril, D.D. (Catholic Encyclopedia)
- Amias, Ven. John (Catholic Encyclopedia)
- Amiatinus, Codex (Catholic Encyclopedia)
- Amice (Catholic Encyclopedia)
- Amico, Antonio (Catholic Encyclopedia)
- Amico, Francesco (Catholic Encyclopedia)
- Amida (Catholic Encyclopedia)
- Amiens, Diocese of (Catholic Encyclopedia)
- Amiot, Joseph Maria (Catholic Encyclopedia)
- Amisus (Catholic Encyclopedia)
- Ammen, Daniel (Catholic Encyclopedia)
- Ammon (Catholic Encyclopedia)
- Ammon, Saint (Catholic Encyclopedia)
- Ammonian Sections (Catholic Encyclopedia)
- Ammonites (Catholic Encyclopedia)
- Amorbach (Catholic Encyclopedia)
- Amorios (Catholic Encyclopedia)
- Amorrhites (Catholic Encyclopedia)
- Amort, Eusebius (Catholic Encyclopedia)
- Amos (Catholic Encyclopedia)
- Amovibility (Catholic Encyclopedia)
- Amoy (Catholic Encyclopedia)
- Ampè, André-Marie (Catholic Encyclopedia)
- Amphilochius of Iconium (Catholic Encyclopedia)
- Amphilochius of Sida (Catholic Encyclopedia)
- Amphoræ (Catholic Encyclopedia)
- Ampleforth, The Abbey of (Catholic Encyclopedia)
- Ampullæ (Catholic Encyclopedia)
- Ampurias (Catholic Encyclopedia)
- Amra (Catholic Encyclopedia)
- Amrah (Catholic Encyclopedia)
- Amraphel (Catholic Encyclopedia)
- Amsterdam (Catholic Encyclopedia)
- Amulet (Catholic Encyclopedia)
- Amulets, Use and Abuse of (Catholic Encyclopedia)
- Amyclae (Catholic Encyclopedia)
- Amyot, Jacques (Catholic Encyclopedia)
- Anæsthesia (Catholic Encyclopedia)
- Anabaptists (Catholic Encyclopedia)
- Anacletus II (Catholic Encyclopedia)
- Anacletus, Pope Saint (Catholic Encyclopedia)
- Anagni (Catholic Encyclopedia)
- Analogy (Catholic Encyclopedia)
- Analysis (Catholic Encyclopedia)
- Anaphora (Catholic Encyclopedia)
- Anarchy (Catholic Encyclopedia)
- Anastasia, Saint (Catholic Encyclopedia)
- Anastasiopolis (Catholic Encyclopedia)
- Anastasius Bibliothecarius (Catholic Encyclopedia)
- Anastasius I, Pope Saint (Catholic Encyclopedia)
- Anastasius II, Pope (Catholic Encyclopedia)
- Anastasius III, Pope (Catholic Encyclopedia)
- Anastasius IV, Pope (Catholic Encyclopedia)
- Anastasius Sinaita, Saint (Catholic Encyclopedia)
- Anathema (Catholic Encyclopedia)
- Anathoth (Catholic Encyclopedia)
- Anatomy (Catholic Encyclopedia)
- Anazarbus (Catholic Encyclopedia)
- Anchieta, Joseph (Catholic Encyclopedia)
- Anchor (as Symbol), The (Catholic Encyclopedia)
- Anchorites (Catholic Encyclopedia)
- Ancient of Days (Catholic Encyclopedia)
- Ancilla Dei (Catholic Encyclopedia)
- Ancona and Umana (Catholic Encyclopedia)
- Ancona, Ciriaco d' (Catholic Encyclopedia)
- Ancren Riwle (Catholic Encyclopedia)
- Ancyra (Catholic Encyclopedia)
- Ancyra, Councils of (Catholic Encyclopedia)
- Andalusia (Catholic Encyclopedia)
- Andechs (Catholic Encyclopedia)
- Anderdon, William Henry (Catholic Encyclopedia)
- Anderledy, Anthony Maria (Catholic Encyclopedia)
- Anderson, Henry James (Catholic Encyclopedia)
- Anderson, Lionel Albert (Catholic Encyclopedia)
- Anderson, Patrick (Catholic Encyclopedia)
- Anderton, James (Catholic Encyclopedia)
- Anderton, Roger (Catholic Encyclopedia)
- Anderton, Thomas (Catholic Encyclopedia)
- Anderton, Venerable Robert (Catholic Encyclopedia)
- Andlaw, Heinrich Bernhard, Freiherr von (Catholic Encyclopedia)
- Andlaw, Venerable William (Catholic Encyclopedia)
- André, Bernard (Catholic Encyclopedia)
- André, Yves Marie (Catholic Encyclopedia)
- Andrés, Juan (Catholic Encyclopedia)
- Andrada de Payva, Diego (Catholic Encyclopedia)
- Andrada, Alonso (Catholic Encyclopedia)
- Andrada, Antonio de (Catholic Encyclopedia)
- Andrea Dotti, Blessed (Catholic Encyclopedia)
- Andrea Pisano (Catholic Encyclopedia)
- Andrea, Giovanni d' (Catholic Encyclopedia)
- Andreas of Caesarea (Catholic Encyclopedia)
- Andreas of Ratisbon (Catholic Encyclopedia)
- Andreas, Saint (Catholic Encyclopedia)
- Andreis, Felix de (Catholic Encyclopedia)
- Andres, Juan (Catholic Encyclopedia)
- Andrew Avellino, Saint (Catholic Encyclopedia)
- Andrew Bobola, Saint (Catholic Encyclopedia)
- Andrew Corsini, Saint (Catholic Encyclopedia)
- Andrew of Crete, Saint (Catholic Encyclopedia)
- Andrew of Lonjumeau (Catholic Encyclopedia)
- Andrew of Rhodes (Catholic Encyclopedia)
- Andrew the Scot, Saint (Catholic Encyclopedia)
- Andrew, Saint (Apostle and Martyr) (Catholic Encyclopedia)
- Andrew, Saint (Martyr of Lampsacus) (Catholic Encyclopedia)
- Andrews, William Eusebius (Catholic Encyclopedia)
- Andria, Diocese (Catholic Encyclopedia)
- Andronicus, Probus, and Tarachus, Saints (Catholic Encyclopedia)
- Anemurium (Catholic Encyclopedia)
- Anerio, Felice (Catholic Encyclopedia)
- Anerio, Giovanni Francesco (Catholic Encyclopedia)
- Anfossi, Filippo (Catholic Encyclopedia)
- Ange de Saint Joseph (Catholic Encyclopedia)
- Ange de Sainte Rosalie (Catholic Encyclopedia)
- Angel (Catholic Encyclopedia)
- Angel, Guardian (Catholic Encyclopedia)
- Angela Merici, Saint (Catholic Encyclopedia)
- Angela of Foligno, Blessed (Catholic Encyclopedia)
- Angeli, Francesco degli (Catholic Encyclopedia)
- Angeli, Girolamo degli (Catholic Encyclopedia)
- Angelicals, The (Catholic Encyclopedia)
- Angelico, Fra (Catholic Encyclopedia)
- Angelo Carletti di Chivasso, Blessed (Catholic Encyclopedia)
- Angelo Clareno da Cingoli (Catholic Encyclopedia)
- Angels of the Churches (Catholic Encyclopedia)
- Angels, Early Christian Representations of (Catholic Encyclopedia)
- Angelus (Catholic Encyclopedia)
- Angelus Bell (Catholic Encyclopedia)
- Angelus, Silesius (Catholic Encyclopedia)