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Catholic Encyclopedia

Explore our Catholic Encyclopedia online to expand your knowledge of the Catholic faith, history, action, doctrine, interests and more.

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The original Catholic Encyclopedia contains more than 10,000 entries on subjects related to Catholic interests, history, and doctrine. You’ll find the Catholic Answers online edition to be faithful to the original Catholic Encyclopedia published by the Robert Appleton Company in New York between 1907 and 1912. To read the full preface and discover more about it, click here.

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