Frederick Engels, great revolutionary and thinker : [зборнік артыкулаў / editorial council: Grigulevich I. R. і інш.]. — Moscow : Social Sciences Today, 1971. — 209, [3] с. — (Problems of the contemporary world ; № 2 (10)) - Григулевич, И. Р. (1913—1988) (Problems of the contemporary world, 1971)