Klassifikat︠s︡ii︠a︡ professiĭ
Edition: Izd. 2., dop. i pererab.
Publisher: N.K.T. S.S.S.R.
Published: 1927
Place of publication: Moskva
Language: rus
Number of pages: 212
Subjects: Occupations
Notes: At head of title: S.S.S.R. Narodnyĭ komissariat truda. Statistika truda.