| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Freie wissenschaft und freie lehr. English | Haeckel, Ernst Heinrich Philipp August, 1834-1919 | en | Huxley, Thomas Henry, 1825-1895 [Commentator] | Evolution (Biology); Teaching, Freedom of; Virchow, Rudolf Ludwig Karl, 1821-1902. Freiheit der Wissenschaft im modernen Staat; Science -- Study and teaching | 2008-06-06 | ||
| Life and Matter A Criticism of Professor Haeckel's 'Riddle of the Universe' | Lodge, Oliver, Sir, 1851-1940 | en | Monism; Life -- Origin; Philosophy and religion; Haeckel, Ernst Heinrich Philipp August, 1834-1919. Welträthsel | 2008-08-15 |