Marxism Versus Social Democracy by Bela Kun. Workers Library Publishers, New York. 1932.

Address delivered at Plenum Executive Committee of the Young Communist International, December 1932.

Workers Library Publishers replaced Daily Workers Publishers as the main pamphlet printing house of the Communist Party in 1927. International Publishers was originally meant to translate works into English, but became the CP’s main book publisher.

PDF of original pamphlet: http://palmm.digital.flvc.org/islandora/object/ucf%3A5289/datastream/OBJ/download/Marxism_versus_social_democracy__Address_delivered_at_Plenum_Executive_Committee_of_the_Young_Communist_International__December_1932.pdf