
Fryderyk Skarbek (1828), cited in: Karl Marx. Human Requirements and Division of Labour https://www.marxists.org/archive/marx/works/1844/manuscripts/needs.htm, Manuscript, 1844.
Autobiography (1873)
Fryderyk Skarbek (1828), cited in: Karl Marx. Human Requirements and Division of Labour https://www.marxists.org/archive/marx/works/1844/manuscripts/needs.htm, Manuscript, 1844.
Grundrisse (1857-1858)
Source: Notebook IV, The Chapter on Capital, p. 308.
Source: Capitalism and Modern Social Theory (1971), p. 14 (Quote is from Marx, Early Writings (1964), p. 148).
(1847)
Grundrisse (1857-1858)
Source: Notebook VII, The Chapter on Capital, pp. 628–629.
Source: Capitalism and Modern Social Theory (1971), pp. 230-231.
Wikinews Interview http://en.wikinews.org/wiki/%22Avast_ye_scurvy_file_sharers%21%22:_Interview_with_Swedish_Pirate_Party_leader_Rickard_Falkvinge (June 20, 2006)