| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Formation of Christendom, Volume VI
The Holy See and the Wandering of the Nations, from St. Leo I to St. Gregory I | Allies, T. W. (Thomas William), 1813-1903 | en | | | | | 2009-06-28 |
| The Seven Champions of Christendom | Kingston, William Henry Giles, 1814-1880 | en | | | | | 2007-05-15 |
| History of the Warfare of Science with Theology in Christendom | White, Andrew Dickson, 1832-1918 | en | | | | Religion and science -- History; Science -- History | 1996-04-01 |
| Reflections upon Two Pamphlets Lately Published
One called, A Letter from Monsieur de Cros, concerning the
Memoirs of Christendom, And the Other, An Answer to that
Letter. | Anonymous | en | | | | | 2010-06-18 |