Drawn from

The Catholic EncyclopediaThe article on each pope, 1907 to 1914

Ludwig von PastorThe History of the Popes, volumes 1 to 16: the full narrative for 1305 to 1565

Coverage

Every pope in the Encyclopedia’s list, from St. Peter to Pius X (1914). Popes after Pius X are not yet in the library, and antipopes are left out. Pastor’s deeper account covers Clement V to Pius IV.