[Problems of the protection of workers' work and health in the proletarian press (1900-1917)].
D049672:History, 19th Century; D049673:History, 20th Century; D009524:Newspapers as Topic / Q000266:history*; D009787:Occupational Medicine / Q000266:history*; D012425:Russia (Pre-1917)
Voprosy okhrany truda i zdorov'ia rabochikh v proletarskoĭ pechati (1900-1917).