Aachen
Aaron
Abaddon
Abandonment
Abarca, Pedro
Abarim
Abba
Abban of Magheranoidhe
Abban of New Ross
Abban the Hermit
Abbe
Abbeloos, Jean Baptiste
Abbess
Abbey
Abbo Cernuus
Abbon
Abbot, Commendatory
Abbot, Henry
Abbot, Lay
Abbot
Abbreviation, Methods of
Abbreviations, Ecclesiastical
Abbreviators
Abdera
Abdias
Abdias of Babylon
Abdication
Abdon and Sennen
Abduction
Abecedaria
Abecedarians
Abel, Blessed Thomas
Abel
Abel (2nd entry)
Abelard, Peter
Abelly, Louis
Aben-Ezra, Abraham-Ben-Meir
Abenakis
Abercius, Inscription of
Abercromby, John
Abercromby, Robert
Aberdeen, Diocese of
Aberdeen, University of
Aberle, Moritz Von
Abgar, Legend of
Abiathar
Abila
Abingdon, Abbey of
Abington, Thomas
Abiogenesis, Biogenesis and
Abipones
Abisai
Abjuration
Abner
Abomination of Desolation
Abortion, Physical Effects of
Abortion
Abrabanel, Don Isaac
Abraham, Bosom of
Abraham
Abraham a Sancta Clara
Abraham Ecchelensis
Abraham in Liturgy
Abrahamites
Abram, Nicholas
Abrasax
Absalom
Absalon of Lund
Absinthe
Absolute
Absolution
Abstemii
Abstinence, Physical Effects of
Abstinence
Abstraction
Abthain
Abucara, Theodore
Abundius
Abydus
Abyss
Abyssinia
Acacia
Acacians
Acacius, Saint
Acacius
Acacius (2nd entry)
Acacius (3rd entry)
Academies, Roman
Academy, French
Acadia
Acanthus
Acanthus (2nd entry)
Acathistus
Acca, Saint
Accaron
Accentus Ecclesiasticus
Acceptance
Acceptants
Accession
Accessus
Acciajuoli
Accident
Acclamation
Acclamation in Papal Elections
Accommodation, Biblical
Accomplice
Accursius, Francesco
Acephali
Acerenza, Archdiocese of
Achab
Achaia
Achaicus
Achaz
Achiacharus
Achilleus Domitilla and Pancratius, Saints Nereus and
Achimaas
Achimelech
Achitopel
Achonry, Diocese of
Achor Valley
Achrida
Achterfeldt, Johann Heinrich
Achtermann, Theodore William
Aci-Reale, Diocese of
Acidalius, Valens
Ackermann, Leopold
Acmonia
Acoemetae
Acolouthia
Acolyte
Acosta, Joaquin
Acosta, Jose de
Acquapendente
Acquaviva, Claudius
Acquaviva
Acqui
Acre
Acrostic
Act of Settlement Irish
Acta Pilati
Acta Sanctae Sedis
Acta Sanctorum Hiberniae
Acta Triadis Thaumaturgae
Acton, Charles Januarius
Acton, John
Acton, John Emerich Edward Dalberg, Baron Acton
Acton, John Francis Edward
Acts, Canonical
Acts, Human
Acts, Indifferent
Acts of Roman Congregatiosn
Acts of the Apostles
Acts of the Martyrs
Actual Grace
Actus Et Potentia
Actus Primus
Actus Purus
Acuas
Ad Apostolicae Dignitatis Apicem
Ad Limina, Visit
Ad Limina Apostolorum
Ad Sanctam Beati Petri Sedem
Ad Universalis Ecclesiae
Adalard, Saint
Adalbert, Saint
Adalbert, Saint (2nd entry)
Adalbert
Adalbert I
Adam, Books of
Adam, John
Adam, Nicholas
Adam
Adam in Early Christian Liturgy & Literature
Adam of Bremen
Adam of Fulda
Adam of Murimuth
Adam of Perseigne
Adam of Saint Victor
Adam of Usk
Adam Scotus
Adami da Bolsena, Andrea
Adamites
Adamnan, Saint
Adams, James
Adams, Venerable John
Adana
Adar
Adauctus, Saints Felix and
Addai, Doctrine of
Addas
Addeus and Maris, Liturgy of
Addresses, Ecclesiastical
Adelaide, Archdiocese of
Adelaide, Saint
Adelaide, Saint (2nd entry)
Adelard of Bath
Adelham, John Placid
Adelmann
Adelophagi
Aden, Vicariate Apostolic of
Adeodatus, Pope Saint
Adeodatus
Adeodatus I, Pope Saint Deusdedit
Adeste Fideles
Adjuration
Administrator
Administrator of Ecclesiastical Property
Admonitions, Canonical
Admont
Ado of Vienne, Saint
Adonai
Adonias
Adoption, Canonical
Adoption, Supernatural
Adoption
Adoptionism
Adoration, Perpetual
Adoration
Adorno, Francis
Adoro Te Devote
Adria
Adrian Fortescue, Blessed
Adrian I, Pope
Adrian II, Pope
Adrian III, Pope Saint
Adrian IV, Pope
Adrian of Canterbury, Saint
Adrian of Castello
Adrian V, Pope
Adrian VI, Pope
Adrianople
Adrichem, Christian Kruik Van
Adso
Aduarte, Diego Francisco
Adullam
Adulteration of Food
Adultery
Advent
Adventists
Advertisements, Book of
Advocates of Roman Congregations
Advocates of Saint Peter
Advocatus Diaboli
Advocatus Ecclesiae
Advowson
Adytum
Aedan of Ferns, Saint
Aedh of Kildare
Aegidius of Assisi, Blessed
Aegidius of Viterbo
Aelfric Abbot of Eynsham
Aelnoth
Aelred, Saint
Aeneas of Gaza
Aengus the Culdee, Saint
Aenon
Aeons
Aer
Aeris of Pontus
Aesthetics
Aeterni Patris
Aeterni Patris (2nd entry)
Aetius
Affinity in Canon Law
Affinity in the Bible
Affirmation
Afflighem
Affre, Denis Auguste
Afra, Saint
Africa
African Church, Early
African Liturgy
African Synods
Agabus
Agape
Agapetae
Agapetus
Agapetus I, Pope Saint
Agapetus II, Pope
Agar, William Seth
Agatha, Saint
Agathangelus
Agathias
Agatho, Pope Saint
Agaunum
Agazzari, Agostini
Agde, Council of
Age, Canonical
Age of Reason
Agen, Diocese of
Agents of Roman Congregations
Aggeus Haggai
Aggressor, Unjust
Agilulfus, Saint
Agios O Theos
Agnelli, Fra Guglielmo
Agnelli Giuseppe
Agnellus of Pisa, Blessed
Agnellus of Ravenna, Andreas
Agnes of Assisi, Saint
Agnes of Bohemia, Saint
Agnes of Montepulciano, Saint
Agnes of Rome, Saint
Agnesi, Maria Gaetana
Agnetz
Agnoetae
Agnosticism
Agnus Dei
Agnus Dei in Liturgy
Agonistici
Agony of Christ
Agostini Paolo
Agostino Novello, Blessed
Agra
Agram
Agrapha
Agrarianism
Agreda, Maria de
Agria
Agricius, Saint
Agricola, Alexander
Agricola, George
Agricola, Rudolph
Agrippa of Nettesheim, Heinrich Cornelius
Agrippinus
Aguas Calientes
Aguirre, Joseph Saenz de
Ahicam
Ahriman and Ormuzd
Aiblinger, Johann Caspar
Aichinger, Gregor
Aidan of Lindisfarne, Saint
Aiguillon, Duchess of
Aikenhead, Mary
Ailbe, Saint
Aileran, Saint
Aimerich, Mateo
Aire, Diocese of
Airoli, Giacomo Maria
Aisle
Aistulph
Aix, Archdiocese of
Aix-En-Provence, Councils of
Ajaccio, Diocese of
Akhmin
Akominatos, Michael & Nicetas
Alabama
Alabanda
Alabaster
Alagoas, Diocese of
Alagona, Pietro
Alain de I'isle
Alalis
Alaman, Lucas
Alamanni, Niccolo
Alan of Tewkesbury
Alan of Walsingham
Alanus de Rupe
Alarcon, Pedro Antonio de
Alaska
Alatri
Alb
Alba Pompeia, Diocese of
Alban, Saint
Albanenses
Albani
Albania
Albano
Albany
Albenga
Albergati, Niccolo
Alberic of Monte Cassino
Alberic of Ostia
Albero de Montreuil
Alberoni, Giulio
Albert, Blessed
Albert, Saint
Albert
Albert Berdini of Sarteano, Blessed
Albert II
Albert of Aachen
Albert of Brandenburg
Albert of Castile
Albert of Saxony
Albert of Stade
Alberta, Saskatchewan and
Alberti, Leandro
Alberti, Leone Battista
Albertini, Nicolo
Albertrandi, John Baptist
Albertus Magnus, Saint
Albi, Council of
Albi, Juan de
Albi Albia, Archdiocese of
Albicus, Sigismund
Albigenses
Albinus
Albrechtsberger, Johann G
Albright Brethren
Albuquerque, Afonzo de
Alcala, University of
Alcantara, Military Order of
Alcedo, Antonio de
Alchemy
Alciati, Andrea
Alcimus
Alcmund, Saint
Alcock, John
Alcoholism
Alcuin
Aldegundis, Saint
Aldersbach
Aldfrith
Aldhelm, Saint
Aldric, Saint
Aldrovandi, Ulissi
Alea, Leonard
Alegambe, Phillipe
Alegr, Francisco Xavier
Alemany, Joseph Sadoc
Alenio, Giulio
Aleppo
Ales and Terralba
Alessandria Della Paglia
Alessi, Galeazzo
Alessio
Alexander, Church of
Alexander, Saint
Alexander, Saint (2nd entry)
Alexander, Saint (3rd entry)
Alexander Briant, Blessed
Alexander Early Bishops
Alexander I, Pope Saint
Alexander II, Pope
Alexander III, Pope
Alexander IV, Pope
Alexander Name of Seven Men
Alexander Natalis
Alexander of Abonoteichos
Alexander of Hales
Alexander of Lycopolis
Alexander Sauli, Blessed
Alexander V
Alexander VI, Pope
Alexander VII, Pope
Alexander VIII, Pope
Alexandre, Dom Jacques
Alexandria, Councils of
Alexandria, Diocese of
Alexandria
Alexandrian Library
Alexandrine Liturgy
Alexandrinus, Codex
Alexian Nuns
Alexians
Alexis Falconieri, Saint
Alexius, Saint
Alfield, Venerable Thomas
Alfieri, Count Vittorio
Alfieri, Pietro
Alfonso de Zamora
Alfonso of Burgos
Alford, Michael
Alfred the Great
Alfrida, Saint
Alfwold
Alger of Liege
Alghero
Algiers
Algonquins
Alife
Alighieri, Dante
Alimentation
Alimony
Aliturgical Days
All Hallow College
All Saints Day
All Souls Day
Allah
Allahabad
Allard, Paul
Allatius, Leo
Allegranza, Joseph
Allegri, Antonio
Allegri, Gregorio
Alleluia
Allemand, Jean
Allen, Edward Patrick
Allen, Frances
Allen, George
Allen, John
Allen, John (2nd entry)
Allen, William
Allerstein, August
Alliance, Holy
Allies, Thomas William
Allioli, Joseph Franz
Allison, William
Allocution
Allori
Allot, William
Allouez, Claude
Alma
Alma Redemptoris Mater
Almagro, Diego de
Almeida, John
Almeria
Almici, Camillo
Almond, John
Almond, Oliver
Almond, Venerable John
Alms and Almsgiving
Alnoth, Saint
Alogi
Aloysius Gonzaga, Saint
Alpha and Omega
Alpha and Omega in Scripture
Alphabet, Christian Use of
Alphege, Saint
Alphonsus Liguori, Saint
Alphonsus Rodriguez, Saint
Alpini, Prospero
Alsace-Lorraine
Altamirano, Diego Francisco
Altamura and Acquaviva
Altar, Double
Altar, High
Altar, History of Christian
Altar, Portable
Altar, Priviledged
Altar, Stripping of an Altar
Altar Bell
Altar Breadboxes
Altar Breads
Altar Candles
Altar Candlesticks
Altar Canopy
Altar Cards
Altar Carpets
Altar Cavity
Altar Cloths
Altar Crucifix
Altar Curtain
Altar Frontal
Altar Horns
Altar in Liturgy
Altar Lamp
Altar Lanterns
Altar Ledge
Altar Linens
Altar of Our Lady
Altar of Repose
Altar Protector
Altar Rail
Altar Screen
Altar Side
Altar Steps
Altar Stole
Altar Stone
Altar Tomb
Altar Vase
Altar Vessels
Altar Wine
Altarage
Altarpiece
Altars in Greek Churches
Altars in Scripture
Altmann, Blessed
Alto, Saint
Alton
Altoona, Diocese of
Altruism
Alumbrados
Alumnus
Alunno, Niccolo
Alva, Duke of
Alvarado, Alonzo de
Alvarado, Fray Francisco de
Alvarado, Pedro de
Alvarez, Balthazar
Alvarez, Diego
Alvarez, Manoel
Alvarez de Paz
Alvarus Pelagius
Alypius, Saint
Alzate, Jose Antonio
Alzog, Johann Baptist
Ama
Amadeo, Giovanni Antonio
Amadia and Akra
Amalarius of Metz
Amalberga, Saint
Amalberga, Saint (2nd entry)
Amalec
Amalfi
Amalricians
Amalricus Augerii
Amandus, Saint
Amasia
Amastris
Amat, Thaddeus
Amathus
Amazones, Diocese of
Ambarach, Peter
Ambition
Ambo
Ambo in Russian and Greek Church
Ambronay, Our Lady of
Ambros, August Wilhelm
Ambrose, Saint
Ambrose of Camaldoli, Saint
Ambrose of Sienna, Blessed
Ambrosian Basilica
Ambrosian Chant
Ambrosian Hymnography
Ambrosian Library
Ambrosian Liturgy and Rite
Ambrosians
Ambrosiaster
Ambulatory
Amelia
Amelote, Denis
Amen
Amende Honorable
Amerbach, Veit
America, Pre-Columbian Discovery of
America
American College at Louvain
American College in Rome, South
American College in Rome
American Protective Association
Amerigo Vespucci
Amherst D.D., Francis Kerril
Amias, Venerable John
Amiatinus, Codex
Amice
Amico, Antonio
Amico, Francesco
Amida, Diocese of
Amiens, Diocese of
Amiot, Joseph Maria
Amisus
Ammen, Daniel
Ammon, Saint
Ammon
Ammonian Sections
Ammonites
Amorbach
Amorios
Amorrhites
Amort, Eusebius
Amos
Amovilibility
Amoy, Vicariate Apostolic of
Ampere, Andre Marie
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Amphilochius of Iconium
Amphilochius of Sida
Amphorae
Ampleforth, Abbey of
Ampullae
Ampurias, Diocese of
Amra
Amrah
Amraphel
Amsterdam
Amulet
Amulets, Use and Abuse of
Amyclae
Amyot, Jacques
Anabaptists
Anacletus, Pope Saint
Anacletus II
Anaesthesia
Anagni
Analogy
Analysis
Anaphora
Anarchy
Anastasia, Saint
Anastasiopolis
Anastasius, Saint
Anastasius, Saint (2nd entry)
Anastasius Bibliothecarius
Anastasius I, Pope Saint
Anastasius II, Pope
Anastasius III, Pope
Anastasius IV, Pope
Anastasius Sinaita, Saint
Anathema
Anathoth
Anatolia, Saint
Anatolius, Saint
Anatolius, Saint (2nd entry)
Anatomy
Anazarbus
Anazco, Pedro de
Anchieta, Joseph
Anchor as Symbol
Anchorites
Ancient of Days
Ancient See of Aarhus in Denmark
Ancilla Dei
Ancona and Umana
Ancren Riwle
Ancyra, Councils of
Ancyra
Andalusia
Andechs
Anderdon, William Henry
Anderledy, Anthony Maria
Anderson, Henry James
Anderson, Lionel Albert
Anderson, Patrick
Anderton, James
Anderton, Roger
Anderton, Thomas
Anderton, Venerable Robert
Andlaw, Heinrich Bernard Freiherr Von
Andleby, Venerable William
Andrada, Alonso
Andrada, Antonio de
Andrada de Payva, Diego
Andre, Bernard
Andre, Yves Marie
Andrea Dotti, Blessed
Andrea Pisano
Andreas of Ratisbon
Andreis, Felix de
Andres, Juan
Andres, Juan (2nd entry)
Andrew, Saint
Andrew, Saint (2nd entry)
Andrew Avellino, Saint
Andrew Bobola, Saint
Andrew Corsini, Saint
Andrew of Caesarea
Andrew of Crete, Saint
Andrew of Lonjumeau
Andrew of Rhodes
Andrew the Scot, Saint
Andrews, William Eusebius
Andria, Diocese of
Andronicus, Saints Tarachus Probus and
Anemurium
Anerio, Felice
Anerio, Giovanni Francesco
Anfossi, Filippo
Ange de Saint Joseph
Ange de Sainte Rosalie
Angel, Guardian
Angela Merici, Saint
Angela of Foligno, Blessed
Angeli, Francesco Degli
Angeli, Girolamo Degli
Angelical Salutation Hail Mary
Angelicals
Angelico, Fra
Angelo Carletti di Chivasso, Blessed
Angelo Clareno da Cingoli
Angels, Early Christian Representations of
Angels
Angels of Churches
Angelus, Silesius
Angelus
Angelus Bell
Anger
Angers, University of
Angers
Anges, Notre Dame of
Angilbert, Saint
Angiolini, Francesco
Anglesea, Priory of
Anglican Orders
Anglicanism
Anglin, Timothy Warren
Anglo-Saxon Church
Anglona-Tursi
Angola and Congo
Angora
Angouleme
Angra
Angulo, Pedro
Anhalt
Anicetus, Pope Saint
Anima Christi
Anima in Rome, College and Church of
Animals, Cruelty to
Animals in Christian Art
Animals in the Bible
Animism
Animuccia, Giovanni
Anise
Anna
Anna Comnena
Annals, Ecclesiastical
Annas
Annat, Francois
Annates
Anne, Saint
Anne-Marie Javouhey, Venerable
Anne D'Auray, Saint
Anne de Beaupre, Sainte
Anne de Xainctonge, Venerable
Anne Line, Saint
Annecy
Annegarn, Joseph
Annius of Viterbo
Anno, Saint
Annunciation, Feast of
Annunciation, Orders of
Annunciation
Anquetil, Louis-Pierre
Ansaldi, Casto Innocenzio
Ansaloni, Giordano
Anschar, Saint
Anse, Councils of
Ansegisus, Saint
Ansegisus
Anselm, Saint
Anselm, Saint (2nd entry)
Anselm of Laon
Anselm of Liege
Anselm of Lucca Younger, Saint
Anselme, Antoine
Anslo, Reyer
Anstey, Thomas Chisholm
Antediluvians
Anterus, Pope Saint
Anthelmi, Joseph
Anthemius
Anthony, Orders of Saint
Anthony, Saint
Anthony of Mother of God
Anthony of Padua, Saint
Anthony of Sienna
Anthropomorphism
Antichrist
Antidicomarianites
Antidoron
Antigonish
Antimensium
Antinoe
Antinomianism
Antioch, Church of
Antioch
Antiochene Liturgy
Antiochus of Palestine
Antipater of Bostra
Antipatris
Antiphellos
Antiphon, Communion
Antiphon
Antiphon in Greek Church
Antiphon in Greek Liturgy
Antiphonary, Gregorian
Antiphonary
Antipodes
Antipope
Antiquities, Biblical
Antivari
Antofogaste
Antoine, Paul Gabriel
Anton Ulrich
Antonelli, Giacomo
Antonelli, Leonardo
Antonelli, Nicolo Maria
Antoniano, Giovanni
Antoniano, Silvo
Antoniewicz
Antoninus, Saint
Antoninus Pius
Antonio Aparisi Y Guijarro
Antonio Maria Zaccaria, Saint
Antonio of Vicenza, Maria
Antonius
Antony, Franz Joseph
Antwerp
Anunciacion, Fray Domingo de la
Anunciacion, Fray Juan de la
Aosta
Apaches
Apameia
Apelles
Aphian, Saint
Aphraates
Apiarius of Sicca
Apocalypse
Apocatastasis
Apocrisiarius
Apocrypha
Apodosis
Apollinarianism
Apollinaris, Saint
Apollinaris, Saint (2nd entry)
Apollinaris Claudius, Saint
Apollinaris Elder
Apollonia, Saint
Apollonius of Ephesus
Apologetics
Apolysis
Apolytikion
Apophthegmata Patrum
Aporti, Ferrante
Apostasy
Apostle in Liturgy
Apostle Spoons
Apostles, Portraits of the
Apostles
Apostles Creed
Apostles of Erin, Twelve
Apostleship of Prayer
Apostolic Blessing
Apostolic Camera
Apostolic Church-Ordinance
Apostolic Churches
Apostolic College
Apostolic Constitutions
Apostolic Executor
Apostolic Expeditors
Apostolic Fathers
Apostolic Letters
Apostolic Majesty
Apostolic See
Apostolic Succession
Apostolic Union of Secular Priests
Apostolicae Curae
Apostolicae Sedis Moderationi
Apostolicae Servitutis
Apostolici
Apostolici Minsiterii
Apostolici Regiminis
Apostolicity
Apostolicum Pascendi Minis
Apotactis
Apotheosis
Apparitions, Visions and
Apparitor
Appeal as From an Abuse
Appeals
Appetite
Approbation
Appropriation
Apse
Apse Chapel
Apsidiole
Apt, Council of
Aquarians
Aquila, Archdiocese of
Aquila and Priscilla
Aquileia, Councils of
Aquileia
Aquileian Rite
Aquinas, Saint Thomas
Aquino Sora and Pontecorvo
Arabia, Councils of
Arabia, Vicariate Apostolic of
Arabia
Arabian School of Philosophy
Arabici
Arabissus
Arad
Aragon, Castile and
Aran, Monastic School of
Aranda, Council of
Aranda, Philip
Arason Jon
Arator
Araucania, Prefecture Apostolic of
Araucanians
Araujo, Antonio de
Araujo, Francisco de
Arawaks
Arbieto, Ignacio de
Arbitration
Arbogast, Saint
Arbroath, Abbey of
Arbuthnott, Missal of
Arca
Arcachon, Our Lady of
Arcadelt, Jacob
Arcadiopolis
Arcae
Arcanum
Arch
Archaeology, Christian
Archaeology, Commission of Sacred
Archange de Lyon
Archbishop
Archconfraternity
Archconfraternity of Holy Agony
Archdeacon, Richard
Archdeacon
Archdiocese
Archelais
Archer, James
Arches, Court of
Archiereus
Archimandrite
Archinto, Filipo
Architecture, Ecclesiastical
Architecture, Gothic
Archives, Ecclesiastical
Archontics
Archpriest
Archpriest Controversy
Arcosolium
Arculf
Ardagh
Ardbraccan
Ardchattan, Priory of
Arden, Edward
Ardilliers, Notre Dame Des
Areopolis
Arequipa, Diocese of
Arethas of Caesarea
Arethusa
Arevalo, Faustino
Arevalo, Rodriguez Sanchez de
Arezzo
Argentina
Argos
Arguello, Luis Antonio
Argyll and the Isles, Diocese of
Argyropulos, John
Arialdo, Saint
Arianism
Ariano
Arias, Francis
Arias de Avila, Pedro
Arias Montanus, Benedictus
Ariassus
Aribo
Arindela
Ariosto, Ludovico
Aristeas
Aristides
Aristotle
Arius
Arizona
Ark, Noah's
Ark of Covenant
Arkansas
Arlegui, Fray Jose
Arles, Synods of
Armada, Spanish
Armagh, Book of
Armagh, School of
Armagh
Armellino, Mariano
Armenia
Armenierstadt
Armentia, Fray Nicolas
Armidale
Arminianism
Arnauld
Arne, Thomas Augustine
Arni Thorlaksson
Arnobius
Arnold
Arnold of Brescia
Arnoldi, Alberto
Arnoldi, Bartholomaeus
Arnolfo di Cambio
Arnoudt, Peter Joseph
Arnpeck, Veit
Arnulf of Bavaria
Arnulf of Lisieux
Arnulf of Metz, Saint
Arras, Councils of
Arras
Arriaga Sj, Pablo Jose
Arricivita, Juan
Arrighetti, Nicola
Arrighetti, Nicolo
Arrowsmith, Venerable Edmund
Arsacidae
Arsenius, Saint
Arsenius Autorianos
Arsinoe
Art, Christian
Art, Ecclesiastical
Artemon
Arthur, James
Arthur, Thomas
Articles, Organic
Articles of Faith
Artoklasia
Arts, Bachelor of
Arts, Faculty of
Arts, Master of
Arts, Seven Liberal
Artvin
Arundel, Thomas
Arundell
Asaph, Saint
Ascalon
Ascelin
Ascendente Domino
Ascension, Feast of
Ascension
Ascetical Theology
Asceticism
Aschbach, Joseph Ritter Von
Ascoli-Piceno
Ascoli Satriano Cirignola
Aseity
Aseneth
Aser
Asgaard
Ash
Ashby, George
Ashby, Thomas
Ashes
Ashley, Venerable Ralph
Ashton, John
Ashton, Venerable Roger
Asia
Asia Minor
Asiongaber
Aske, Robert
Asmodeus
Aspendus
Asperges
Aspilcueta, Martin
Ass in Caricature of Christian Beliefs and Practices
Assam
Assemani
Assemblies of French Clergy
Asser, John
Asses, Feast of
Assessor of Holy Office
Assessors
Assicus, Saint
Assideans
Assimilation, Physiological
Assimilation, Psychological
Assisi
Assistant at Pontifical Throne
Assizes of Jerusalem
Assmayer, Ignaz
Association, Right of Voluntary
Association of Ideas
Association of Priestly Perseverence
Associations, Pious
Assuerus
Assumption, Feast of
Assumption, Little Sisters of
Assumption, Sisters of
Assur
Assur (2nd entry)
Assyria
Assyrian Rite
Asterisk
Asterius
Asti, Diocese of
Aston
Astorga, Diocese of
Astrology
Astronomy
Astronomy in Bible
Astruc, Jean
Atahuallpa
Atahualpa, Juan Santos
Atavism
Athabasca, Vicariate Apostolic of
Athanasian Creed
Athanasius, Saint
Atheism
Athelney, Abbey of
Athenagoras
Athenry
Athens, Christian
Athens, Modern Diocese of
Athias, Joseph
Athos, Mount
Atienza, Juan de
Atkinson, James
Atkinson, Nicholas
Atkinson, Sarah
Atkinson, Venerable Thomas
Atkinson of Saint Francis, Paul
Atom
Atomism
Atonement, Day of
Atonement, Doctrine of
Atrib
Atrium
Attainder
Attala, Saint
Attalia
Attaliates
Atticus
Attigny, Councils of
Attila
Attiret, Jean Denis
Atto
Atto of Pistoia
Atto of Vercelli
Attracta, Saint
Attributes, Divine
Attrition
Attuda
Aubarede, Jean-Michel-D'Astorg
Aubery, Joseph
Auch
Auckland
Auctorem Fidei
Audiences, Pontifical
Audifax and Abachum, Saints Maris Martha
Audiffredi
Audin, J-M-Vincent
Audisio, Guglielmo
Auditor
Audran
Auenbrugger, Leopold
Aufsees, Jobst Bernhard Von
Auger, Edmond
Augilae
Augsburg, Synods of
Augsburg
Augusta
Augustin Von Alfeld
Augustine, Rule of Saint
Augustine of Canterbury, Saint
Augustine of Hippo, Life of Saint
Augustine of Hippo, Works of Saint
Augustine of Hope, Teaching of Saint
Augustinian Canons and Canonesses Regular
Augustinians
Augustinians of Assumption
Augustinus, Antonius
Augustinus-Verein
Augustopolis
Augustus
Aulne Abbey
Aumbry
Aunarius. Saint
Aurea
Aurelian
Aureliopolis
Aurelius
Aurelius Antoninus, Marcus
Aureoli, Petrus
Auriesville
Aurispa, Giovanni
Aurora Lucis Rutilat
Ausculta Fili
Ausonius, Decimus Magnus
Austin, John
Australia
Austremonius, Saint
Austro-Hungarian Monarchy
Authentic
Authenticity of Bible
Authority, Civil
Authorized Version
Autocephali
Autos Sacramentales
Autpert, Ambrose
Autran, Joseph
Autun
Auxentius, Junior
Auxentius of Milan
Auxentius of Mopsuestia
Auxerre, Councils of
Auxiliary Bishop
Auxilius of Naples
Ava
Avancini, Nicola
Avarice
Avatar
Ave Maris Stella
Ave Regina
Avellino
Avempace
Avendano, Fernando
Averbode
Averroes
Aversa, Diocese of
Avesta, Theological Aspects of
Avesta
Avicenna
Avignon, Counils of
Avignon, University of
Avignon
Avila, Francisco de
Avila, Sancho de
Avila
Avitus.saint
Aviz, Order of
Avranches, Council of
Avril, Philippe
Axum
Ayacucho, Diocese of
Ayeta, Fray Francisco de
Ayllon, Lucas Vasquez de
Aylward, James Ambrose Dominic
Aymara
Aymeric of Piacenza
Azara, Feliz de
Azaria, Aristaces
Azarias, Brother
Azevedo, Luiz de
Azor, Juan
Azores
Azotus
Aztecs
Azymes
Azymites
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