Frankfurt School
- Introductory essay on the Marxist tendency, with sections on Benjamin, Adorno, Horkheimer, Marcuse, and Habermas.
- http://filer.case.edu/~ngb2/Pages/Intro.html

Robert Brenner and the capitalist world economy
- Debate on the Marxist theory of crises and the historical and present development of the capitalist world economy. Users must scroll down for English text.
- http://www.tidsskriftcentret.dk/index.php?id=165

1923: Revolutionary Silhouettes
- Anatoly Vasilievich Lunacharsky's sketches of Russian revolutionaries he had known including Bolsheviks such as Lenin, Trotsky and Zinoviev and social democrat critics of the Bolsheviks such as Martov and Plekhanov.
- http://www.marxists.org/archive/lunachar/index.htm

Eric Hobsbawm
- A profile of the Marxist historian from the Guardian.
- http://education.guardian.co.uk/higher/artsandhumanities/story/0,12241,791760,00.html

Book Review: James Burnham and the Struggle for the World, by Daniel Kelly, Reviewed by Joseph R. Stromberg
- Joseph R. Stromberg of theLudwig von Mises Institute reviews a book on the career of James Burnham, a founder of American Trotskyism who , during the Cold War, became a leading theoretical figure on the right. From the Independent Review.
- http://www.independent.org/tii/content/pubs/review/books/tir81_kelley.html

Socialist Union of America archives 1954-1959
- Articles written by Harry Braverman, Bert Cochran, Genora Dollinger and other members of The Socialist Union of America for the magazine American Socialist.The S.U.A was formed in 1954 by a split from the Socialist Workers Party over trade union politics,
- http://www.marxists.org/history/etol/newspape/amersocialist/index.htm

The Cyril Smith Internet Archive
- Includes "Marxism at the Millennium" (1998) and Articles on Marxism and Socialised Humanity.
- http://www.marxists.org/reference/archive/smith-cyril/index.htm

Archives of Albert & Vera Weisbord.
- Internet archives of the Weisbords, leading communist radicals of the 1920s and 30s. Organizers of 1926 Passic Textile Strike, 1929 Gastonia Textile Strike, leaders of the Communist League of Struggle 1931-37.
- http://www.weisbord.org

The Marxists Writers Archives
- A developing resource of texts in the Marxist tradition. Includes works by a number of writers from Marx, Engels and Lenin to DeLeon, Pablo, Kollantai, Labriola, Morris, Cannon and Mariategui.
- http://www.marxists.org/archive/index.htm