22 JAN 2014 by ideonexus

 Karl Marx, Frederick Engels

Books, Brochures, and Chapters>Book:  Marx, Karl and Engels , Friedrich (1975-06-01), Karl Marx, Frederick Engels, Intl Pub, Retrieved on 2014-01-22
  • Source Material [books.google.com]
    • Folksonomies: business economics
    Folksonomies: business economics
     1  
    28 APR 2012 by ideonexus

     Anti-Dühring

    Books, Brochures, and Chapters>Book:  Engels , Friedrich (1959), Anti-Dühring, Retrieved on 2012-04-28
  • Source Material [books.google.com]
    •  1