The
Catholic Encyclopedia, also referred to today as the
Old Catholic Encyclopedia, is an
English-language encyclopedia published by The Encyclopedia Press. The first volume appeared in March 1907 and it was completed in April 1914. It was designed to give "authoritative information on the entire cycle of Catholic interests, action and doctrine".
The encyclopedia was designed to serve the Roman Catholic Church, excluding information which has no relation to the Church and explaining matters from the point of view of the official Catholic doctrine, as it stood during the pontificate of Pius X. It records the accomplishments of Catholics and some others in nearly all intellectual and professional pursuits, including artists, educators, poets and scientists. While more limited than other general encyclopedias, it was far broader in scope than previous efforts at comprehensive Catholic encyclopedias, which had studied only internal Church affairs.
It also offers in-depth portrayals of historical and philosophical ideas, persons and events, from the Roman Catholic point-of-view. On issues that divide Catholicism from other Churches and Protestant ecclesial communities, the text consistently presents matters from the Catholic point of view. Since the encyclopedia was first undertaken in 1913, some of its entries are not up-to-date, either with respect to the secular domain or to the Catholic ecclesiastical world. In particular, it predates the Second Vatican Council, which introduced significant changes in Catholic practice.
The writing of the encyclopedia began on January 11, 1905 under the supervision of five editors