Marxists Internet Archive
Encyclopedia of Marxism: Glossary of People: Ma
This page, from a glossary of figures important in the intellectual history of Marxism, features brief biographies of James Ramsay MacDonald to Karl Marx (and members of his family) to Guiseppe Mazzini.
Philosophy Pages
Philosophy Pages: Karl Marx (1818 1883)
The life and work of philosopher Karl Marx is surveyed with links to full-text translations of The Communist Manifesto and other tracts.