Arkhiv istorii truda v Rossii
Uchenaia Komissiia po issledovaniiu istorii truda v Rossii.
Leipzig Zentralantiquariat der Deutschen Demokratischen Republik
1975
Facsimile reprint of 1st ed: Petrograd : Gosizdat, 1921-1925
At head of title: Petrogradskii Gubernskii Sovet Professionalʹnykh soiuzov, Kulʹturno-prosvetitelʹnyi otdel
Working class
Working class