Деревнинa, Л. И. Rabochiye Leningrada v period vosstanovleniya narodnogo khozyaystva, 1921-1925 gg. chislennost', sostav i materyal'noye polozheniye L. I. Derevnina. - Leningrad : Nauka, 1981. - 190 p. ; ISBN: RUSSIAN1869 Subjects--Topical Terms: Working class Dewey Class. No.: 331.110947 / Ra