Written: Between April and August 1844; First Published: 1932; Source: Marx. Economic and Philosophic Manuscripts of 1844; First Published: Progress Publishers, Moscow 1959; Translated: by Martin Milligan from the German text, revised by Dirk J. Struik, contained in Marx/Engels, Gesamtausgabe, Abt. 1, Bd. 3. Corrections were made of typographical errors and the author's obvious slips when preparing the Russian edition, 1956.