This collection was acquired in 1969. The collection comprises some 687 items dating from the 1920s to the 1960s. Much of the material is from the United States including a long run of pamphlets by the American Communist Earl Browder. Other material comes from China, the former Soviet Union (including a series of pamphlets by Joseph Stalin), India and other countries. There are numerous reports of Communist Party meetings from various countries. All of the material is in English.