Author:Carlton Joseph Huntley Hayes

Articles for the 1911 Encyclopædia Britannica

 * (section on Gelasius II.)
 * (Honorius II., III., IV. (popes))
 * (Pope Innocent V.)
 * (Pope Innocent VIII.)
 * (section on Julius II.)
 * (Leo X.)
 * (Lucius III.)
 * (Nicholas III., IV., V.)
 * (Paschal II.)
 * (Paul I., II.)
 * ]
 * (Sixtus IV.)
 * (Urban II.–VI.)
 * (Victor III. and Victor IV. (Popes))
 * (Lucius III.)
 * (Nicholas III., IV., V.)
 * (Paschal II.)
 * (Paul I., II.)
 * ]
 * (Sixtus IV.)
 * (Urban II.–VI.)
 * (Victor III. and Victor IV. (Popes))
 * ]
 * (Sixtus IV.)
 * (Urban II.–VI.)
 * (Victor III. and Victor IV. (Popes))
 * (Urban II.–VI.)
 * (Victor III. and Victor IV. (Popes))
 * (Urban II.–VI.)
 * (Victor III. and Victor IV. (Popes))

Reviews

 * Review of Three Peace Congresses of the Nineteenth Century in The American Historical Review, 23 (1917)