Secret cables of the Comintern, 1933-1943 / Fridrikh I. Firsov, Harvey Klehr, John Earl Haynes, tr. Lynn Visson. — New Haven ; London : Yale University Press, 2014. — 307 s. — (Annals of Communism). — ISBN:978-0-300-19822-5
Secret cables of the Comintern, 1933-1943 / Fridrikh I. Firsov, Harvey Klehr, John Earl Haynes, tr. Lynn Visson. — New Haven ; London : Yale University Press, 2014. — 307 s. — (Annals of Communism). — ISBN:978-0-300-19822-5