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Bible Encyclopedias

The Catholic Encyclopedia

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O Antiphons O Deus Ego Amo Te O Filii Et Fili&Aelig;
O Salutaris Hostia Oates's Plot Oaths
Oaxaca Obba Obedience
Obedientiaries Oblate Sisters of Providence Oblates of Mary Immaculate
Oblates of Saint Francis de Sales Oblati Obligation
Obregonians Obreption Occasionalism
Occasions of Sin Occult Art, Occultism Occult Compensation
Occurrence Octavarium Romanum Octave
Odo of Canterbury Odo of Cheriton Odo of Glanfeuil
Odoric of Pordenone Odorico Raynaldi Oettingen
Offa Offerings Offertory
Office of the Dead Ogliastra Ohio
Oil of Saints Ointment in Scripture Oklahoma
Olaus Magnus Olba Old Catholics
Old Hall (St. Edmund's College) Oldenburg Olenus
Olinda Oliva Oliver Almond
Oliver Legipont Oliver Maillard Olivetans
Olivier de La Marche OlmÜTz Olympe-Philippe Gerbet
Olympus Ombus Omission
Omnipotence Onias Onno Klopp
Onofrio Panvinio Ontario Ontologism
Ontology Ophir Oporto
Oppido Mamertina Optimism Oracle
Oran Orange Free State Orans

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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Copyright Statement
These files are public domain.

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