The Catholic Encyclopedia: An International Work of Reference on the Constitution, Doctrine, Discipline, and History of the Catholic Church.
- New York: Appleton, [c1907-12]
- 15 v. : ill. ; 28 cm.
Accompanied by Index (ix, 959 p. ; 28 cm.) Published: New York, The Encyclopedia press, inc. [c1914] Accompanied by "Supplement. I- ." ( v. 26 cm.) Published: New York, The Encyclopedia press, inc. [c1922-