Kommunisticheskai͡a parti͡ia Sovetskogo Soi͡uza. Sʺezd

• Resolution of the Twentieth Congress of the Communist Party of the Soviet Union on the report of the Central Committee of The C.P.S.U. ; Directives of the Twentieth Congress of the C.P.S.U. for the sixth Five-year Plan of Economic Development of the U.S.S