The most complete library of Marxism with content in 62 languages and the works of over 720 authors readily accessible by archive, sujbect, or history.
Marxists Internet Archive - Biblioteca Digital en español / castellano de Archivos de obras y textos de Marx - Engels - Trotsky - Lenin - Luxemburg - Serge - Togliatti - Bordiga - Che Guevara - y archivos suplementarios de Mao - Hoxha - Kropotkin, y etc.
Where Angels Fear to Dream. A history of evolution in marxist theory of Marx, Engels Trotsky & Lenin - Marxism Socialism Communism. Make capitalism History.