| El Capital. Traducción por Pablo Correa y Zafrilla. Marx, Karl. / Used - Hardcover | 1st Edition Dust Jacket Q:70 | $173,490.88 |
| Leviathan or The Matter, Forme, & Power of a Common-Wealth, Ecclesiasticall and Civill. Hobbes, Thomas. / Used - Hardcover | 1st Edition | $53,842.00 |
| Introduction to Mathematical Philosophy. Russell, Bertrand. / Used - Hardcover | Signed Q:70 | $41,543.98 |
| Manifesto de la Komunista Partio. Manifesto of the Communist Party. Marx, Karl / Engels, Friedrich. / Used - Hardcover | 1st Edition Q:70 | $29,912.22 |
| Capital: A Critical Analysis of Capitalist Production. Edited by Friedrich Engels. Marx, Karl. / Used - Hardcover | 1st Edition Q:70 | $29,912.22 |
| Capital: A Critical Analysis of Capitalist Production. Edited by Friedrich Engels. Marx, Karl. / Used - Hardcover | 1st Edition Q:70 | $29,912.22 |
| Capital: Critical Analysis of Capitalist Production. Translated from the Third German Edition, by Samuel Moore and Edward Aveling and Edited by Frederick Engels. Marx, Karl. / Used - Hardcover | 1st Edition Q:70 | $23,929.78 |
| On the Economy of Machinery and Manufactures. Babbage, Charles. / Used - Hardcover | 1st Edition | $4,747.88 |
| Le Capital. Extraits faits par M. Paul Lafargue. Marx, Karl. / Used - Hardcover | 1st Edition | $957.19 |
| The Works of Francis Rabelais, M.D. A new ed., with improvements and an intire new set of cuts. Rabelais, François. / Used - Hardcover | | $693.96 |