| title | creator | language | description | tableOfContents | contributor | subject | created |
| As a Man Thinketh | Allen, James, 1864-1912 | en | | Thought and character -- Effect of thought on circumstances -- Effect of thought on health and the body -- Thought and purpose -- The thought factor in achievement -- Visions and ideals -- Serenity. | | | 2003-10-01 |
| A History of Freedom of Thought | Bury, J. B. (John Bagnell), 1861-1927 | en | | | | Free thought -- History; Rationalism -- History | 2004-01-01 |
| Evolution in Modern Thought | | en | | Darwin's predecessors, by J.A. Thomson -- The selection theory, by A. Weismann -- Heredity and variation in modern lights, by W. Bateson -- "The descent of man," by G. Schwalbe -- Charles Darwin as an anthropologist, by E. Haeckel -- Mental factors in evolution, by C.L. Morgan -- The influence of the conception of evolution on modern philosophy, by H. Höffding -- The influence of Darwin upon religious thought, by P.H. Waggett -- Darwinism and history, by J.B. Bury -- Darwinism and sociology, by C. Bouglé. | | | 2007-08-29 |
| Thought-Forms | | en | | | | | 2005-07-12 |
| Recent Developments in European Thought | Various | en | | | | | 2005-02-16 |
| Gems (?) of German Thought | | en | | | Archer, William, 1856-1924 [Editor] | | 2009-03-24 |
| Applied Psychology: Driving Power of Thought
Being the Third in a Series of Twelve Volumes on the
Applications of Psychology to the Problems of Personal and
Business Efficiency | Hilton, Warren, 1874- | en | | | | | 2010-07-04 |
| An Outline of the History of Christian Thought Since Kant | Moore, Edward Caldwell, 1857-1943 | en | | | | | 2005-05-07 |
| The Merry-Thought: or the Glass-Window and Bog-House Miscellany. Part 1 | Thrumbo, Hurlo (pseudonym) | en | | | Guffey, George R. [Commentator] | | 2007-02-11 |
| The Fallen Star, or, the History of a False Religion by E.L. Bulwer; And, A Dissertation on the Origin of Evil by Lord Brougham | | en | | | | Religion; Good and evil; Free thought | 2005-08-01 |
| History of Free Thought in Reference to The Christian Religion | Farrar, Adam Storey, 1826-1905 | en | | | | | 2009-11-19 |
| Political Thought in England from Locke to Bentham | Laski, Harold Joseph, 1893-1950 | en | | | | | 2005-01-19 |
| The Merry-Thought: or the Glass-Window and Bog-House Miscellany
Parts 2, 3 and 4 | Thrumbo, Hurlo (pseudonym) | en | | | Novak, Maximillian E. [Commentator] | | 2007-02-06 |
| Happy-Thought Hall | Burnand, F. C. (Francis Cowley), Sir, 1836-1917 | en | | | | | 2008-08-12 |
| The Heart of the New Thought | Wilcox, Ella Wheeler, 1855-1919 | en | | | | | 2009-10-14 |
| The Angel of Thought and Other Poems
Impressions from Old Masters | Murphy, Ethel Allen | en | | | | Mary, Blessed Virgin, Saint -- Art; Angels in art; Poetry | 2008-11-16 |
| The Higher Powers of Mind and Spirit | Trine, Ralph Waldo, 1866-1958 | en | | | | New Thought; Mind and body | 2009-02-23 |
| Comic Bible Sketches
Reprinted from "The Freethinker" | Foote, G. W. (George William), 1850-1915 | en | | | | Free thought; Bible -- Caricatures and cartoons | 2009-10-06 |
| Humanity's Gain from Unbelief
Reprinted from the "North American Review" of March, 1889 | Bradlaugh, Charles, 1833-1891 | en | | | | Free thought; Atheism | 2009-10-06 |
| A Thought For Tomorrow | Gilbert, Robert E., 1924-1993 | en | | | Stone, David [Illustrator] | | 2010-05-03 |
| Bible Romances
First Series | Foote, G. W. (George William), 1850-1915 | en | | | | Free thought; Bible | 2009-10-06 |
| Cobwebs of Thought | Arachne | en | | | | | 2004-10-16 |
| On the Nature of Thought
or, The act of thinking and its connexion with a perspicuous sentence | Haslam, John, 1764-1844 | en | | | | | 2010-01-31 |
| "And they thought we wouldn't fight" | Gibbons, Floyd | en | | | | | 2010-01-26 |
| Sense from Thought Divide | Clifton, Mark, 1906-1963 | en | | | Dongen, H. R. van [Illustrator] | Science fiction; Parapsychology -- Fiction | 2007-09-05 |