Columbia subject headings:
Harvard subject headings:
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Soviet Union.
World War, 1939-1945--Underground movements--Soviet Union.
Princeton subject headings:
Guerrilla warfare--Soviet Union.
Holocaust, Jewish (1939-1945)--Soviet Union.
Military intelligence--Soviet Union.
World War, 1939-1945--Underground movements--Soviet Union.