author = { Marx, Karl AND Engels, Friedrich },

title = { Werke Bd. 27 [Briefe, Februar 1842 bis Dezember 1851] },

edition = { 3. Aufl. } ,

publisher = {Dietz},

year = {1970},

abstract = {Literaturverz. S. 684 - 698},

address = { Berlin },

url = { http://slubdd.de/katalog?TN_libero_mab2 }