41
by Nikolaeva, L. A.
Published 1931
Gos. uchebno-pedagog. izd-vo

42
by Bondi, Sergej
Published 1936
Narkompros RSFSR-Uchpedgiz

44
by Tarasov, G. I.
Published 1930
Molodaja gvardija

46
by Iordanskij, Nikolaj Nikolaevich
Published 1926
Moskovskoe akcionernoe izdatelʹskoe ob-vo

47
by Jurcev, Boris
Published 1925
Vseros. Proletkulʹt

48
by Jurcev, Boris
Published 1927
Molodaja gvardija

49
by Bykova, Anna Ionovna
Published 1939
Gos. uchebno-pedagog. izd-vo

50
by Zanegin, Mikhail Nikolaevich
Published 1937
Izd. CS Sojuza Osoaviakhim SSSR

51
Published 1935
Gos. uchebno-pedagog. izd-vo

55
by Kradman, Dmitrij Aleksandrovich
Published 1925
Izd-vo Sev.-zap. obl. otd-nija glav. kontory "Izvestij CIK SSSR i VCIK

57
by Smoljarov, Ja. G.
Published 1927
Molodaja gvardija

58
Published 1935
Gos. idz-vo ivanovskoj promyshlennoj oblasti

59
Published 1924
Dalʹno-vostochno-sibirskoe izd-vo "Knizhnoe delo

60
Published 1925
Gos. izd-vo, Severo-kavkazskoe otd-nie, junosheskij sektor