Archives of the writings of the communist radicals of the 1920s and 30s.

The history of the far left, particularly Trotskyism, in Ireland.

Dedicated to the restoration of authentic Marxism and the political independence of the working class everywhere. Contains news, publications, and assorted writings.

Books, pamphlets and periodicals on all aspects of Marxism, the science of Socialism and history of working-class movements.

Aims to build an organisation of students educated in the ideas of Marxism.

Marxist resource from the Committee for a Workers' International.

Comprehensive guide to Marxism including Marxist writers, history, subjects, reference, and encyclopedia.

Working research facility for a wide range of Marxist studies and also the central reference archive of the Spartacist League of the U.S.