Showing 1098 terms beginning with Aachen to Assize.

• Aachen
• Aaron
• Abaddon
• Abandonment
• Pedro Abarca
• Abarim
• Abba
• Antoine d'Abbadie
• St. Abban of Magheranoidhe
• St. Abban of New Ross
• St. Abban the Hermit
• Abbe
• Jean Baptiste Abbeloos
• Abbess
• Abbey
• Abbo Cernuus
• St. Abbon
• Abbot
• Henry Abbot
• Methods of Abbreviation
• Ecclesiastical Abbreviations
• Abbreviators
• Abdera
• Abdias
• Abdias of Babylon
• Abdication
• Sts. Abdon and Sennan
• Abduction
• Abecedaria
• Abecedarians
• Abel (Son of Adam)
• Abel (Place Name)
• Peter Abelard
• Louis Abelly
• Abenakis
• Abraham-Ben-Meir Aben-Ezra
• Inscription of Abercius
• John Abercromby
• Robert Abercromby
• The Diocese of Aberdeen
• The University of Aberdeen
• Moritz von Aberle
• The Legend of Abgar
• Abiathar
• Abila
• The Abbey of Abingdon
• Thomas Abington
• Abipones
• Abisai
• Abjuration
• Abner
• The Abomination of Desolation
• Abortion
• Physical Effects of Abortion
• Charles Francois d'Abra de Raconis
• Don Isaac Abrabanel
• Abraham
• Abraham (In Liturgy)
• The Bosom of Abraham
• Abraham a Sancta Clara
• Abraham Ecchelensis
• Abrahamites
• Nicholas Abram
• Abrasax
• Absalom
• Absalon of Lund
• Absinthe
• The Absolute
• Absolution
• Abstemii
• Abstinence
• Physical Effects of Abstinence
• Abstraction
• Abthain
• Theodore Abucara
• Abundius
• Abydus
• Abyss
• Abyssinia
• Acacia
• The Acacians
• Acacius (Bishop of Beroea)
• Acacius (Bishop of Caesarea in Palestine)
• Acacius (Patriarch of Constantinople)
• St. Acacius
• Roman Academies
• The French Academy
• Acadia
• Acanthus (Titular See)
• Acanthus (Plant)
• Acathistus (Akathistos)
• St. Acca
• Accaron
• Accentus Ecclesiasticus
• Acceptance
• Acceptants
• Accession
• Accessus
• Acciajuoli
• Accident
• Acclamation
• Acclamation (In Papal Elections)
• Biblical Accommodation
• Accomplice
• Francesco Accursius
• Acephali
• The Archdiocese of Acerenza
• Achab
• Achaia
• Achaicus
• Achaz
• Lucas d'Achery
• Achiacharus
• Achimaas
• Achimelech
• Achitopel
• The Diocese of Achonry
• Achor Valley
• Achrida
• Johann Heinrich Achterfeldt
• Theodore William Achtermann
• Valens Acidalius
• The Diocese of Aci-Reale
• Leopold Ackermann
• Acmonia
• Acoemetae
• Acolouthia
• Acolyte
• Joaquin Acosta
• Jose de Acosta
• Acquapendente
• Acquaviva (Cardinals)
• Claudius Acquaviva
• Acqui
• Acre
• Acrostic
• Acta Pilati
• Acta Sanctae Sedis
• Acta Sanctorum Hiberniae
• Acta Triadis Thaumaturgae
• Act of Settlement (Irish)
• Acton, Charles Januarius
• John Acton
• Lord Acton
• Acton, John Francis Edward
• Canonical Acts
• Human Acts
• Indifferent Acts
• Acts of the Apostles
• Acts of Roman Congregations
• Actus Et Potentia
• Actus Primus
• Actus Purus
• Acuas
• St. Adalard
• Adalbert
• Adalbert I
• St. Adalbert
• St. Adalbert
• Ad Apostolicae Dignitatis Apicem
• Ad Limina Apostolorum
• Ad Sanctam Beati Petri Sedem
• Ad Universalis Ecclesiae
• Adam
• Adam in Early Christian Liturgy and Literature
• The Books of Adam
• Adam of Bremen
• Adam of Fulda
• Adam of Murimuth
• Adam of Perseigne
• Adam of St. Victor
• Adam of Usk
• John Adam
• Nicholas Adam
• Adam Scotus
• Andrea Adami Da Bolsena
• Adamites
• St. Adamnan (Eunan)
• James Adams
• Ven. John Adams
• Adana
• Adar
• Ferdinando d'Adda
• Addas
• Liturgy of Addeus and Maris
• Ecclesiastical Addresses
• The Archdiocese of Adelaide
• St. Adelaide
• St. Adelaide
• John Placid Adelham
• Adelmann
• Adelophagi
• Vicariate Apostolic of Aden
• Adeodatus
• Pope St. Adeodatus
• Adeste Fidelis
• Adjuration
• Administrator
• Administrator (Of Church Property)
• Canonical Admonitions
• Admont
• St. Ado of Vienne
• Adonai
• Adonias
• Adoption
• Canonical Adoption
• Supernatural Adoption
• Adoptionism
• Adoration
• Perpetual Adoration
• Francis Adorno
• Adoro Te Devote
• Adria
• Pope Adrian I
• Pope Adrian II
• Pope St. Adrian III
• Pope Adrian IV
• Pope Adrian V
• Pope Adrian VI
• St. Adrian of Canterbury
• Adrian of Castello
• Adrianople
• Christian Kruik van Adrichem
• Adso
• Diego Francisco Aduarte
• Adullam
• Adulteration of Food
• Adultery
• Advent
• Adventists
• Book of Advertisements
• Advocates of Roman Congregations
• Advocates of St. Peter
• Advocatus Diaboli
• Advocatus Ecclesiae
• Advowson
• Adytum
• St. Aedan of Ferns
• Aedh of Kildare
• Bl. Aegidius of Assisi
• Aegidius of Viterbo
• Aelfric, Abbot of Eynsham
• Aelnoth
• St. Aelred
• Aenas of Gaza
• St. Aengus (The Culdee)
• Aenon
• Aeons
• Aer
• Aeris of Pontus
• Aesthetics
• Aeterni Patris
• Aeterni Patris
• Aetius
• Affinity (In the Bible)
• Affinity (In Canon Law)
• Affirmation
• Afflighem
• Denis Auguste Affre
• St. Afra
• Africa
• Early African Church
• African Liturgy
• African Synods
• Agabus
• Agape
• Agapetae
• Agapetus
• Pope St. Agapetus I
• Pope Agapetus II
• William Seth Agar
• St. Agatha
• Agathangelus
• Agathias
• Pope St. Agatho
• Agaunum
• Agostini Agazzari
• Council of Agde
• Canonical Age
• Age of Reason
• The Diocese of Agen
• Agents of Roman Congregations
• Aggeus (Haggai)
• Unjust Aggressor
• Raymond d'Agiles
• St. Agilulfus
• Agios O Theos
• Giuseppe Agnelli
• Fra. Guglielmo Agnelli
• Bl. Agnellus of Pisa
• Andreas Agnellus of Ravenna
• St. Agnes of Assisi
• St. Agnes of Bohemia
• St. Agnes of Montepulciano
• St. Agnes of Rome
• Maria Gaetana Agnesi
• Agnetz
• Agnoetae
• Agnosticism
• Agnus Dei
• Agnus Dei (In Liturgy)
• Agonistici
• Agony of Christ
• Paolo Agostini
• Bl. Agostino Novello
• Charles Constance Cesar Joseph Mattheu d'Agoult
• Agra
• Agram (Zagreb)
• Agrapha
• Agrarianism
• Marie de Agreda
• Agria
• St. Agricius
• Alexander Agricola
• George Agricola
• Rudolph Agricola
• Heinrich Cornelius Agrippa of Nettesheim
• Agrippinus
• Aguas Calientes
• Joseph Saenz de Aguirre
• Ahicam
• Ahriman and Ormuzd
• Johann Caspar Aiblinger
• Gregor Aichinger
• St. Aidan of Lindisfarne
• Duchess of Aiguillon
• Mary Aikenhead
• St. Ailbe
• St. Aileran
• Family of d'Ailleboust
• Pierre d'Ailly
• Mateo Aimerich
• Diocese of Aire
• Giacomo Maria Airoli
• Aisle
• Aistulph
• Archdiocese of Aix
• Councils of Aix-En-Provence
• Diocese of Ajaccio
• Akhmin
• Michael and Nicetas Akominatos
• Alabama
• Alabanda
• Alabaster
• The Diocese of Alagoas
• Pietro Alagona
• Alain de l'Isle
• Alalis
• Lucas Alaman
• Niccolo Alamanni
• Alan of Tewkesbury
• Alan of Walsingham
• Alanus de Rupe (Alanus de la Roche)
• Alaska
• Alatri
• Alb
• Diocese of Alba Pompeia
• Alban, Saint
• Albanenses
• Albania
• Albani
• Albano
• Diocese of Albany
• Albenga
• Niccolo Albergati
• Alberic of Monte Cassino
• Alberic of Ostia
• Albero de Montreuil
• Giulio Alberoni
• Albert (Albrecht), Bishop of Riga
• Albert II
• Blessed Albert
• St. Albert
• Bl. Albert Berdini of Sarteano
• Albert of Aachen
• Albert of Brandenburg
• Albert of Castile
• Albert of Stade
• Leandro Alberti
• Leone Battista Alberti
• Nicolo Albertini
• John Baptist Albertrandi
• St. Albertus Magnus
• Archdiocese of Albi (Albia)
• Council of Albi
• Juan de Albi
• Sigismund Albicus
• Albigenses
• Albinus
• Johann G. Albrechtsberger
• The Albright Brethren
• Afonzo de Albuquerque
• University of Alcala
• Military Order of Alcantara
• Antonio de Alcedo
• Alchemy
• St. Alcmund
• Andrea Alciati
• Alcimus
• John Alcock
• Alcoholism
• Alcuin
• Aldegundis, Saint
• Aldersbach
• Aldfrith
• St. Aldhelm
• St. Aldric
• Ulissi Aldrovandi
• Leonard Alea
• Phillipe Alegambe
• Francisco Xavier Alegre
• Joseph Sadoc Alemany
• Giulio Alenio
• Aleppo
• Ales and Terralba
• Alessandria Della Paglia
• Galeazzo Alessi
• Alessio
• Alexander (Name of Seven Men)
• Alexander (Early Bishops)
• Pope St. Alexander I
• Pope Alexander II
• Pope Alexander III
• Pope Alexander IV
• Alexander V
• Pope Alexander VI
• Pope Alexander VII
• Alexander VIII, Pope
• St. Alexander (Of Cappadocia and Jerusalem)
• St. Alexander (Of Comana)
• St. Alexander (of Alexandria)
• Blessed Alexander Briant
• Alexander Natalis
• Alexander of Abonoteichos
• Alexander of Hales
• Alexander of Lycopolis
• Bl. Alexander Sauli
• Dom Jacques Alexandre
• Alexandria
• Councils of Alexandria
• The Church of Alexandria
• The Diocese of Alexandria
• The Alexandrian Library
• The Alexandrine Liturgy
• Alexian Nuns
• Alexians
• Saint Alexis Falconieri
• St. Alexius
• Count Vittorio Alfieri
• Pietro Alfieri
• Alfonso de Zamora
• Alfonso of Burgos
• Michael Alford
• Alfred the Great
• St. Alfrida
• St. Alfwold
• Alger of Liege
• Alghero
• Algiers
• Algonquins
• Diocese of Alife
• Alimentation
• Alimony
• Aliturgical Days
• All Hallows College
• All Saints' Day
• All Souls' Day
• Allah
• Allahabad
• Paul Allard
• Leo Allatius
• Joseph Allegranza
• Antonio Allegri
• Gregorio Allegri
• Alleluia
• Jean Allemand
• Edward Patrick Allen
• Frances Allen
• George Allen
• John Allen
• John Allen
• William Allen
• August Allerstein
• Thomas William Allies
• Joseph Franz Allioli
• William Allison
• Allocution
• Allori
• William Allot
• Claude Allouez
• Alma
• Alma Redemptoris Mater
• Diego de Almagro
• John Almeida
• Almeria
• Camillo Almici
• John Almond
• Ven. John Almond
• Oliver Almond
• Alms and Almsgiving
• St. Alnoth
• Alogi
• St. Aloysius Gonzaga
• Alpha and Omega (In Scripture)
• Alpha and Omega
• Christian Use of the Alphabet
• St. Alphonsus Liguori
• St. Alphonsus Rodriguez
• Prospero Alpini
• Alsace-Lorraine
• Diego Francisco Altamirano
• Altamura and Acquaviva
• Altar (In Liturgy)
• Altar Candles
• Altar, Double
• Altar, Portable
• Altar, Privileged
• Stripping of an Altar
• Altar Bell
• Altar Breadboxes
• Altar Breads
• Altar Candlesticks
• Altar Canopy
• Altar Cards
• Altar Carpets
• Altar Cavity
• Altar Cloths
• Altar Crucifix
• Altar Curtain
• Altar Frontal
• Altar Horns
• Altar Lamp
• Altar Lanterns
• Altar Ledge
• Altar Linens
• Altar of Our Lady
• Altarpiece
• Altar Protector
• Altar Rail
• Altar Screen
• Altar Side
• Altar Steps
• Altar Stole
• Altar Stone
• Altar Tomb
• Altar Vase
• Altar Vessels
• Altar Wine
• Altarage

• Altars (In the Greek Churches)
• Altars (In Scripture)
• History of the Christian Altar
• Blessed Altmann
• St. Alto
• Alton (Illinois)
• Diocese of Altoona
• Altruism
• Alumnus
• Niccolo Alunno
• The Duke of Alva
• Pedro d'Alva y Astorga
• Alonzo de Alvarado
• Fray Francisco de Alvarado
• Pedro de Alvarado
• Balthazar Alvarez
• Diego Alvarez
• Manoel Alvarez
• Alvarez de Paz
• St. Alypius
• Jose Antonio Alzate
• Johann Baptist Alzog
• Ama
• Giovanni Antonio Amadeo
• Amadia and Akra
• Amalarius of Metz
• St. Amalberga
• St. Amalberga
• Amalec (Amalek)
• Amalfi
• Amalricians
• Amalricus Augerii
• Saint Amandus
• Amasia
• Amastris
• Thaddeus Amat
• Amathus
• Diocese of Amazones
• Peter Ambarach
• Ambition
• Ambo
• Ambo (In the Russian and Greek Church)
• George d'Amboise
• Our Lady of Ambronay
• August Wilhelm Ambros
• St. Ambrose
• St. Ambrose of Camaldoli
• Bl. Ambrose of Sienna
• Ambrosian Basilica
• Ambrosian Chant
• Ambrosian Hymnography
• Ambrosian Library
• Ambrosian Liturgy and Rite
• Ambrosians
• Ambrosiaster
• Ambulatory
• Amelia
• Denis Amelote
• Amen
• Amende Honorable
• Veit Amerbach
• America
• Pre-Columbian Discovery of America
• The American College at Rome
• The American College at Louvain
• The South American College in Rome
• The American Protective Association
• Francis Kerril Amherst, D.D.
• Ven. John Amias
• Amice
• Antonio Amico
• Francesco Amico
• The Diocese of Amida
• Diocese of Amiens
• Joseph Maria Amiot
• Amisus
• Daniel Ammen
• Ammon
• St. Ammon
• Ammonian Sections
• Ammonites
• Amorbach
• Amorios
• Amorrhites
• Eusebius Amort
• Amos
• Amovibility
• Amoy
• Ampere
• Amphilochius of Iconium
• Amphilochius of Sida
• Amphorae
• The Abbey of Ampleforth
• Ampullae
• Ampurias
• Amra
• Amrah
• Amraphel
• Amsterdam
• Amulet
• Use and Abuse of Amulets
• Amyclae
• Jacques Amyot
• Anabaptists
• Pope St. Anacletus
• Anacletus II
• Anaesthesia
• Anagni
• Analogy
• Analysis
• Anaphora
• Anarchy
• St. Anastasia
• Anastasiopolis
• St. Anastasius
• Pope St. Anastasius I
• Pope Anastasius II
• Pope Anastasius III
• Pope Anastasius IV
• St. Anastasius
• St. Anastasius Sinaita
• Anathema
• Anathoth
• St. Anatolia
• St. Anatolius
• St. Anatolius
• Anatomy
• Anazarbus
• Pedro de Anazco
• Joseph Anchieta
• The Anchor (as Symbol)
• Anchorites
• Ancient of Days
• Ancilla Dei
• Ciriaco d'Ancona
• Ancona and Umana
• Ancren Riwle
• Ancyra
• Councils of Ancyra
• Andalusia
• William Henry Anderdon
• Anthony Maria Anderledy
• Henry James Anderson
• Lionel Albert Anderson
• Patrick Anderson
• James Anderton
• Ven. Robert Anderton
• Roger Anderton
• Thomas Anderton
• Heinrich Bernhard, Freiherr von Andlaw
• Ven. William Andleby
• Alonso Andrada
• Antonio de Andrada
• Diego Andrada de Payva
• Bernard Andre
• Yves Marie Andre
• Giovanni d'Andrea
• Blessed Andrea Dotti
• Andrea Pisano
• Andreas of Ratisbon
• Felix de Andreis
• Juan Andres
• St. Andrew
• St. Andrew
• St. Andrew Avellino
• St. Andrew Bobola
• St. Andrew Corsini
• Andrew of Caesarea
• St. Andrew of Crete
• Andrew of Lonjumeau
• Andrew of Rhodes
• Saint Andrew the Scot
• William Eusebius Andrews
• Diocese of Andria
• Anemurium
• Felice Anerio
• Giovanni Francesco Anerio
• Filippo Anfossi
• Ange de Saint Joseph
• Ange de Sainte Rosalie
• Angels
• St. Angela Merici
• Bl. Angela of Foligno
• Francesco Degli Angeli
• Girolamo Degli Angeli
• The Angelicals
• Fra Angelico
• Bl. Angelo Carletti di Chivasso
• Angelo Clareno Da Cingoli
• Early Christian Representations of Angels
• Angels of the Churches
• Angelus
• Angelus Bell
• Silesius Angelus
• Anger
• Angers
• University of Angers
• Notre Dame de Anges
• St. Angilbert
• Francesco Angiolini
• The Priory of Anglesea
• Anglican Orders
• Anglicanism
• Timothy Warren Anglin
• The Anglo-Saxon Church
• Anglona-Tursi
• Angola and Congo
• Angora
• Angouleme
• Angra
• Pedro Angulo
• Anhalt
• Pope St. Anicetus
• College and Church of the Anima (In Rome)
• Anima Christi
• Animals in Christian Art
• Animals in the Bible
• Animism
• Giovanni Animuccia
• Anise
• Anna
• Anna Comnena
• Ecclesiastical Annals
• Annas
• Francois Annat
• Annates
• St. Anne
• Sainte Anne d'Auray
• Sainte Anne de Beaupre
• Annecy
• Joseph Annegarn
• Annibale d'Annibaldi
• Giuseppe d'Annibale
• Annius of Viterbo
• St. Anno
• The Annunciation of the Blessed Virgin Mary
• The Feast of the Annunciation
• The Orders of the Annunciation
• Louis-Pierre Anquetil
• Casto Innocenzio Ansaldi
• Giordano Ansaloni
• St. Anschar
• Councils of Anse
• Ansegisus (Archbishop of Sens)
• St. Ansegisus
• St. Anselm
• St. Anselm (Duke of Forum Julii)
• Anselm of Laon
• Anselm of Liege
• St. Anselm of Lucca, the Younger
• Antoine Anselme
• Reyer Anslo
• Thomas Chisholm Anstey
• Antediluvians
• Pope St. Anterus
• Joseph Anthelmi
• Anthemius
• St. Anthony
• Orders of Saint Anthony
• St. Anthony of Padua
• Anthony of Sienna
• Anthony of the Mother of God
• Anthropomorphism
• Antichrist
• Antidicomarianites
• Antidoron
• Antigonish
• Antimensium
• Antinoe
• Antinomianism
• Church of Antioch
• Antioch of Syria
• Antiochene Liturgy
• Antiochus of Palestine
• Antipater of Bostra
• Antipatris
• Antiphellos
• Antiphon
• Antiphon (In the Greek Church)
• Antiphon (in Greek Liturgy)
• Antiphonary
• Gregorian Antiphonary
• Antipodes
• Antipope
• Antivari
• Antofogaste
• Paul Gabriel Antoine
• Anton Ulrich
• Giacomo Antonelli
• Leonardo Antonelli
• Nicolo Maria Antonelli
• Giovanni Antoniano
• Silvio Antoniano
• Charles Antoniewicz
• St. Antoninus
• Antoninus Pius
• St. Antonio Maria Zaccaria
• Maria Antonio of Vicenza
• Antonius
• Franz Joseph Antony
• Antwerp
• Fray Domingo de la Anunciacion
• Fray Juan de la Anunciacion
• Aosta
• Apaches
• Apameia
• Antonio Aparisi y Guijarro
• Apelles
• Aphian, Saint
• Aphraates
• Apiarius of Sicca
• Apocalypse
• Apocatastasis
• Apocrisiarius
• Apocrypha
• Apocrypha (Notes)
• Apodosis
• Apollinarianism
• St. Apollinaris
• St. Apollinaris
• Apollinaris (The Elder)
• St. Apollinaris Claudius
• St. Apollonia
• Apollonius of Ephesus
• Apologetics
• Apolysis
• Apolytikion
• Apophthegmata
• Aporti
• Apostasy
• Apostle (In Liturgy)
• Apostle Spoons
• Apostles
• Apostles' Creed
• The Twelve Apostles of Erin
• The Apostleship of Prayer
• Apostolic Camera
• Apostolic Churches
• Apostolic Church-Ordinance
• Apostolic Constitutions
• The Apostolic Fathers
• Apostolic Letters
• Apostolic Majesty
• The Apostolic See
• Apostolic Succession
• The Apostolic Union of Secular Priests
• Apostolicae Curae
• Apostolicae Sedis Moderationi
• Apostolicae Servitutis
• Apostolici
• Apostolici Ministerii
• Apostolici Regiminis
• Apostolicity
• Apostolicum Pascendi Minis
• Apotactics
• Apotheosis
• Apparitor
• Appeal As From An Abuse
• Appeals
• Appetite
• Approbation
• Appropriation
• Apse
• Apse Chapel
• Apsidiole
• Council of Apt
• Aquarians
• The Archdiocese of Aquila
• Aquila and Priscilla
• Aquileia
• Councils of Aquileia
• Aquino, Sora, and Pontecorvo
• Arabia
• Vicariate Apostolic of Arabia
• Councils of Arabia
• Arabian School of Philosophy
• Arabici
• Arabissus
• Arad
• The Monastic School of Aran
• Council of Aranda
• Philip Aranda
• Arason Jon
• Arator
• Araucania
• Araucanians
• Antonio de Araujo
• Francisco de Araujo
• Arawaks
• Ignacio de Arbieto
• Arbitration
• St. Arbogast
• Abbey of Arbroath
• Missal of Arbuthnott
• Arca
• Our Lady of Arcachon
• Jacob Arcadelt
• Arcadiopolis
• Arcae
• Arcanum
• Arch
• Archaeology
• Archange de Lyon
• Archbishop
• Archconfraternity
• Archdeacon
• Richard Archdeacon
• Archdiocese
• Archelais
• James Archer
• The Court of Arches
• Archiereus
• Archimandrite
• Filipo Archinto
• Ecclesiastical Archives
• Archontics
• Archpriest
• Arcosolium
• Arculf
• Ardagh
• Ardbraccan
• The Priory of Ardchattan
• Edward Arden
• Notre Dame Des Ardilliers
• Prince Charles d'Aremberg
• Areopolis
• The Diocese of Arequipa
• Arethas of Caesarea
• Arethusa
• Faustino Arevalo
• Rodriguez Sanchez de Arevalo
• Arezzo
• Pierre de Voyer d'Argenson
• Argentina
• Argos
• Luis Antonio Arguello
• Diocese of Argyll and the Isles
• Argyropulos, John
• St. Arialdo
• Arianism
• Ariano
• Francis Arias
• Pedro Arias de Avila
• Benedictus Arias Montanus
• Ariassus
• Aribo
• Arindela
• Ludovico Ariosto
• Aristeas
• Aristides
• Aristotle
• Arius
• Arizona
• Noah's Ark
• Ark of the Covenant
• Arkansas
• Fray Jose Arlegui
• The Synods of Arles
• The Spanish Armada
• Armagh
• The Book of Armagh
• The School of Armagh
• Georges d'Armagnac
• Mariano Armellino
• Armenia
• Armenierstadt
• Fray Nicolas Armentia
• Armidale
• Arminianism
• Arnauld
• Thomas Augustine Arne
• Arni Thorlaksson
• Arnobius
• Arnold
• Arnold of Brescia
• Alberto Arnoldi
• Bartholomaeus Arnoldi
• Arnolfo di Cambio
• Peter Joseph Arnoudt
• Veit Arnpeck
• Arnulf of Bavaria
• Arnulf of Lisieux
• St. Arnulf of Metz
• The Diocese of Arras
• Councils of Arras
• Pablo Jose Arriaga, S.J.
• Juan Arricivita
• Nicola Arrighetti
• Nicolo Arrighetti
• Arsacidae
• Arsenius Autorianos
• St. Arsenius
• Arsinoe
• Artemon
• James Arthur
• Thomas Arthur
• Articles of Faith
• The Organic Articles
• Artoklasia
• Bachelor of Arts
• The Faculty of Arts
• Master of Arts
• The Seven Liberal Arts
• Artvin
• Thomas Arundel
• Arundell (Family)
• St. Asaph
• Ascalon
• Ascelin
• Ascendente Domino
• Ascension
• Feast of the Ascension
• Asceticism
• Joseph, Ritter von Aschbach
• Ascoli-Piceno
• Ascoli, Satriano, and Cirignola
• Aseity
• Aseneth
• Aser
• Asgaard
• Ash Wednesday
• George Ashby
• Thomas Ashby
• Ashes
• Venerable Ralph Ashley
• John Ashton
• Ven. Roger Ashton
• Asia
• Asia Minor
• Asiongaber (Ezion-Geber)
• Robert Aske
• Asmodeus
• Aspendus
• Asperges
• Martin Aspilcueta
• The Ass (In Caricature of Christians)
• Assam
• Assemani
• Assemblies of the French Clergy
• John Asser
• Feast of Asses
• Assessor of the Holy Office
• Assessors
• St. Assicus
• Assideans
• Physiological Assimilation
• Psychological Assimilation
• Assisi
• Assistant at the Pontifical Throne