New York: Pioneer Publishers, 1962. 42p., wraps, 8.5x11 inches- NOTE: Cover entirely missing, interior contents complete, some marginal staining. Reading copy only. Bulletin of Marxist Studies no. 4.
Includes an introduction by George Breitman, the 1933 Swabeck-Trotsky discussion, 1939 and 1948 Socialist Worker Party discussions and resolutions, and a partial list of post-1954 documents. One of the 1948 documents is by C.L.R. James [as J. Meyer].