Petrogradskai︠a︡ trudovai︠a︡ kommuna (1918-1919 gg.)
Potekhin, M. N.(Mikhail Nikolaevich)
Leningrad Izd-vo Leningradskogo un-ta
1980
At head of title: Ministerstvo vysshego i srednego spetsial5nogo obrazovaniia RSFSR
Working class
Working class