Title: Istoki sistemy professionalʹnoĭ podgotovki kadrov Kalugi i Kaluzhskoĭ gubernii
Subjects: Vocational education, Occupational training, Employees, Training of, Railroads, Infrastructure (Economics), Local history, Research, Ri︠a︡zhsko-Vi︠a︡zemskai︠a︡ zheleznai︠a︡ doroga
Places: Russia (Federation), Kaluzhskai︠a︡ gubernii︠a︡