Système des contradictions économiques, ou Philosophie de la misère. 1-2. Proudhon, Pierre-Joseph SOCIAL SCIENCE

First edition. (4), XLIII, (1), 436; (4), 531, (1), 16 (publ. cat.) pp. Contemporary half calf , spines gilt. Joints, head and foot worn, foot of vol. 2 damaged, beginning of vol. 1 stained, last leaves foxed, vol. 2 very good inside. Proudhon's most important work. Marx read it and quickly wrote a provocatively answer titled The Poverty of Philosophy. The dispute became one of the sources of the split between the anarchist and Marxist wings of the International Working Men's Association.