| title | creator | language | description | tableOfContents | contributor | subject | created |
| History of Rationalism Embracing a Survey of the Present State of Protestant Theology | Hurst, J. F. (John Fletcher), 1834-1903 | en | | | | Rationalism -- History; Protestantism | 2006-09-28 |
| Rationalism | Robertson, J. M. (John Mackinnon), 1856-1933 | en | | | | | 2010-04-11 |
| Writings of Thomas Paine — Volume 4 (1794-1796): the Age of Reason | Paine, Thomas, 1737-1809 | en | | | Conway, Moncure Daniel, 1832-1907 [Editor] | Rationalism; Philosophy and religion | 2003-02-01 |
| A History of Freedom of Thought | Bury, J. B. (John Bagnell), 1861-1927 | en | | | | Free thought -- History; Rationalism -- History | 2004-01-01 |