Subject collection. Brochures, flyers, and leaflets (1939–1954) published in the United States, Great Britain, North Korea, and Australia during World War II and the Korean War. These include British publications (1943–1944) regarding World War II, as well as a typescript (n.d.) on U.S. culture and customs, given to British airmen en route to America for training; leaflets (n.d.) dropped on U.S. troops in Korea by the Chinese, advising them of the benefits of immediate surrender, as well as the procedures for doing so; and a U.S. government list (1950) of all political and social groups in this country considered subversive.