| title | creator | language | description | tableOfContents | contributor | subject | created |
| Essays Towards a Theory of Knowledge | Philip, Alexander | en | | Time and periodicity -- The origin of physical concepts -- The two typical theories of knowledge -- The doctrine of energy. | | Knowledge, Theory of; Cycles; Force and energy | 2007-11-09 |
| Crescent and Iron Cross | Benson, E. F. (Edward Frederic), 1867-1940 | en | | The theory of the old Turks -- The theory of the new Turks -- The end of the Armenian question -- The question of Syria and Palestine -- Deutschland über Allah -- "Thy kingdom is divided" -- The grip of the octopus. | | World War, 1914-1918 -- Turkey; Armenian question; Turkey -- Foreign relations -- Germany; Germany -- Foreign relations -- Turkey | 2004-01-01 |
| Outlines of a Mechanical Theory of Storms
Containing the True Law of Lunar Influence | Bassnett, Thomas, 1808- | en | | | | | 2006-07-08 |
| Theory and Practice, Applied to the Cultivation of the Cucumber in the Winter Season
To Which Is Added a Chapter on Melons | Moore, Thomas, 1821-1887 | en | | | | | 2010-06-14 |
| Contributions to the Theory of Natural Selection
A Series of Essays | Wallace, Alfred Russel, 1823-1913 | en | | | | | 2007-08-29 |
| A Treatise Concerning the Principles of Human Knowledge | Berkeley, George, 1685-1753 | en | | | | Knowledge, Theory of; Idealism; Soul | 2003-12-01 |
| A Mechanico-Physiological Theory of Organic Evolution | Nägeli, Carl Von, 1817-1891 | en | Translation of: Mechanisch-physiologische Theorie der Abstammungslehre | | | | 2010-08-23 |
| The Theory and Practice of Perspective | Storey, G. A. (George Adolphus), 1834-1919 | en | | | | | 2006-12-22 |
| A Critique of the Theory of Evolution | Morgan, Thomas Hunt, 1866-1945 | en | | | | | 2009-12-17 |
| Theory of the Earth, Volume 1 (of 4) | Hutton, James, 1726-1797 | en | | | | | 2004-07-09 |
| Theory of the Earth, Volume 2 (of 4) | Hutton, James, 1726-1797 | en | | | | | 2004-11-27 |
| The Practice and Theory of Bolshevism | Russell, Bertrand, 1872-1970 | en | | | | | 2005-12-19 |
| The Theory of the Theatre | Hamilton, Clayton Meeker, 1881-1946 | en | | | | | 2004-10-03 |
| A Essay Towards a New Theory of Vision | Berkeley, George, 1685-1753 | en | | | | | 2003-12-01 |
| Kant's Theory of Knowledge | Prichard, Harold Arthur | en | | | | | 2010-06-05 |
| Three Contributions to the Theory of Sex | Freud, Sigmund, 1856-1939 | en | | | Brill, A. A. (Abraham Arden), 1874-1948 [Translator] | | 2005-02-08 |
| A System Of Logic, Ratiocinative And Inductive | Mill, John Stuart, 1806-1873 | en | | | | Knowledge, Theory of; Logic; Science -- Methodology | 2009-01-31 |
| A System Of Logic, Ratiocinative And Inductive (Vol. 1 of 2) | Mill, John Stuart, 1806-1873 | en | | | | Logic; Science -- Methodology; Knowledge, Theory of | 2008-08-31 |
| Theaetetus | Plato, 427? BC-347? BC | en | Socrates | | Jowett, Benjamin, 1817-1893 [Translator] | Classical literature; Knowledge, Theory of -- Early works to 1800 | 1999-04-01 |
| The Einstein Theory of Relativity | Lorentz, H.A. | en | | | | | 2004-02-01 |
| The World's Greatest Books — Volume 15 — Science | | en | | Hypnotism : Its history, practice and theory / Bramwell -- Natural history / Buffon -- Vestiges of creation / Chambers -- Surface of the globe / Cuvier -- Origin of species / Darwin -- Elements of chemical philosophy / Davy -- Experimental researches in electricity / Faraday -- Chemical history of a candle / Faraday -- Senses of insects / Forel -- Dialogues on the system of the world / Galileo -- Essays in eugenics / Galton -- Evolution of man / Haeckel -- On the motion of the heart and blood / Harvey -- Outlines of astronomy / Herschel -- Cosmos, a sketch of the universe / Humboldt -- Theory of the Earth / Hutton -- Zoological philosophy / Lamarck -- Physiogonomical fragments / Lavater -- Animal chemistry / Liebig -- Principles of geology / Lyell -- Treatise on electricity and magnetism / Maxwell -- Nature of man / Metchnikoff -- Prolongation of life / Metchnikoff -- Old red sandstone / Miller -- Principia / Newton -- Anatomy of vertebrates / Owen -- Cellular pathology / Virchow. | | | 2008-05-17 |
| The Analysis of Mind | Russell, Bertrand, 1872-1970 | en | | | | Psychology; Consciousness; Knowledge, Theory of | 2001-02-01 |
| A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' | Bowen, Francis, 1811-1890 | en | | | | Evolution (Biology); Chambers, Robert, 1802-1871. Vestiges of the natural history of creation; Creation | 2008-02-19 |
| The Problems of Philosophy | Russell, Bertrand, 1872-1970 | en | | | | Philosophy -- Introductions; Metaphysics; Knowledge, Theory of | 2004-06-01 |
| The 32nd Mersenne Prime
Predicted by Mersenne | Slowinski, David | en | Math | | | Numbers, Prime; Number theory | 1993-06-01 |