What is property? An enquiry into the principle of right and of government. With a biographical essay by J. A. Langlois. Transl. from the French by Benj. R. Tucker - Proudhon, Pierre-Joseph 1809-1865 (Fertig, 1966)
Repr.d.Ausg.von 1890. - Orig.-Ausg. u.d.T.: Qu'est-ce que la propriété