Usloviı︠a︡ truda i byta rabochego klassa Rossii v 1900-1914 gg. /
Kruze, Ė. Ė.(Ėlʹza Ėduardovna)
Leningrad Nauka
1981
At head of title : Akademiı︠a︡ nauk SSSR, Institut istorii SSSR, Leningradskoe otdelenie
Working class