Title: Elmélet és gyakorlat a "baloldaliság" korai történetéhez
First published: 1990
People: Anatoly Vasilievich Lunacharsky (1875-1933), A. A. Bogdanov (1907-), Maksim Gorky (1868-1936)
LC classification: LB2249.H9 B833 köt. 9, HX40 B833 köt. 9