| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Scientific Evidences of Organic Evolution | Romanes, George John, 1848-1894 | en | | | | | 2006-11-27 |
| A Mechanico-Physiological Theory of Organic Evolution | Nägeli, Carl Von, 1817-1891 | en | Translation of: Mechanisch-physiologische Theorie der Abstammungslehre | | | | 2010-08-23 |
| Cases of Organic Diseases of the Heart | Warren, John Collins, 1778-1856 | en | | | | | 2008-10-07 |
| The Present Condition of Organic Nature | Huxley, Thomas Henry, 1825-1895 | en | | | | Darwin, Charles, 1809-1882; Evolution | 2001-11-01 |
| The Past Condition of Organic Nature | Huxley, Thomas Henry, 1825-1895 | en | | | | Darwin, Charles, 1809-1882; Evolution | 2001-11-01 |
| Towards the Great Peace | Cram, Ralph Adams, 1863-1942 | en | | Introduction -- A world at the crossroads -- A working philosophy -- The social organism -- The industrial problem -- The political organization of society -- The function of education and art -- The problem of organic religion -- Personal responsibility. | | Civilization; Sociology; Social problems | 2004-01-01 |
| Essays: Scientific, Political, & Speculative, Vol. I | Spencer, Herbert, 1820-1903 | en | | The development hypothesis -- Progress: its law and cause -- Transcendental physiology -- The nebular hypothesis -- Illogical geology -- Bain on the emotions and the will -- The social organism -- The origin of animal worship -- Morals and moral sentiments -- The comparative psychology of man -- Mr. Martineau on evolution -- The factors of organic evolution. | | Science; Political science; Philosophy | 2009-08-31 |