Papers of the International Workingmen's Association : Guide to a microfilm edition /

Publicado 1972

An open letter to all members of the Communist Party : Adopted by the Extraordinary National Conference of the Communist Party of the U.S.A., held in New York City, July 7-10, 1933...

Publicado 1933

MARXIST BULLETIN /

Publicado 1964

ESPARTACO /

Publicado 1966

Daniel De Leon : / From Reform to Revolution. 1886-1936 /

por Petersen, Arnold 1885-1976
Publicado 1937