Popes

Il nipotismo di Roma, or, The History of the Popes Nephews
from the time of Sixtus IV. to the death of the last Pope, Alexander VII

Gregorio Leti

An Essay on Papal Infallibility

John Sinclair

Letters From Rome on the Council

Johann Joseph Ignaz von Döllinger

Leo XIII., the Great Leader

Rev. A. P. Doyle

Monks, Popes, and their Political Intrigues

John Alberger

The Holy See and the Wandering of the Nations, from St. Leo I to St. Gregory I

T. W. Allies

The Popes and Science
The History of the Papal Relations to Science During the Middle Ages and Down to Our Own Time

James J. Walsh

The Power of the Popes
An Historical Essay on Their Temporal Dominion, and the Abuse of Their Spiritual Authority

Yazar Bilinmiyor

Pius IX. And His Time

Æneas MacDonell Dawson

Pope Pius the Tenth

F. A. Forbes

The Roman Question

Edmond About

Alexander Pope

Leslie Stephen

The Poetical Works of Alexander Pope, Volume 2

Alexander Pope