Report of the fifteenth congress of the Communist party of the Soviet union / Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo soi︠u︡za. 15. sʺezd, Moscow, 1927. [from old catalog] Communist party of Great Britain. [from old catalog] Communism Soviet Union JN6598.K58 A4825 Microfilm 48756 JN 324.243703 FIF London, Communist party of Great Britain [1928] [1928] 1928 Text 415 p. eng Soviet Union