Columbia subject headings:
Harvard subject headings:
Coal reserves--Donets Basin (Ukraine and Russia)--History--20th century.
Donets Basin (Ukraine and Russia)--Economic conditions--20th century.
Forced labor--Donets Basin (Ukraine and Russia)--History--20th century.
Industrial policy--Donets Basin (Ukraine and Russia)--History--20th century.
Industrialization--Donets Basin (Ukraine and Russia)--History--20th century.
Working class--Donets Basin (Ukraine and Russia)--Social conditions--20th century.
Princeton subject headings:
Coal miners--Ukraine--Donet︠s︡ʹka oblastʹ--History--20th century.
Donet︠s︡ʹka oblastʹ (Ukraine)--History--20th century.
Industrialization--Ukraine--Donet︠s︡ʹka oblastʹ--History--20th century.
Political violence--Ukraine--Donet︠s︡ʹka oblastʹ--History--20th century.
Ukraine--History--German occupation, 1941-1944.