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The Catholic Encyclopedia

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Achor Valley Achrida Acmonia
Acoemetae Acolouthia Acolyte
Acquapendente Acquaviva Acqui
Acre Acrostic Act of Settlement (Irish)
Acta Pilati Acta Sanct&Aelig; Sedis Acta Sanctorum Hiberniae
Acta Triadis Thaumaturg&Aelig; Acts of Roman Congregations Acts of the Apostles
Acts of the Martyrs Actual Grace Actus Et Potentia
Actus Primus Actus Purus Acuas
Ad Apostolicae Dignitatis Apicem Ad Limina Apostolorum Ad Sanctam Beati Petri Sedem
Ad Universalis Ecclesiae Adalbert Adalbert I
Adam Adam in Early Christian Liturgy and Literature Adam of Bremen
Adam of Fulda Adam of Murimuth Adam of Perseigne
Adam of St. Victor Adam of Usk Adam Scotus
Andrea Adami Da Bolsena Adamites Adana
Adar Addas Adelard of Bath
Adelmann Adelophagi Adeodatus
Adeste Fideles Adjuration Administrator
Administrator (of Ecclesiastical Property) Admont Adonai
Adonias Adoption Adoptionism
Adoration Adoro Te Devote Adria
Adrian of Castello Adrianople Adso
Adullam Adulteration of Food Adultery
Advent Adventists Advocates of Roman Congregations
Advocates of St. Peter Advocatus Diaboli Advocatus Ecclesi&Aelig;

Welcome to the 'The Catholic Encyclopedia', one of the encyclopedia resources FREELY available on!

Containing 11,511 entries cross-referenced and cross-linked to other resources on, this resource can be classified as a required reference book for any good study library.

The 1914 Catholic Encyclopedia was the most comprehensive resource on Catholic teaching, history, and information ever gathered in all of human history. Originally printed in fifteen hardcopy volumes, it covered science, literature, history, doctrine, saints, government, art and much more in the 11,000+ entries.

All scripture references and reference to other entries within the text have been linked. To use this resource to it's full potential, follow all the links presented within the text of the entry you are reading.

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