Columbia subject headings:
Harvard subject headings:
Belarus--History--1917-1991.
Soviet Union. Ministerstvo gosudarstvennoĭ bezopasnosti
Spain--History--Civil War, 1936-1939--Participation, Soviet.
Vaupshasov, S. A. (Stanislav Alekseevich)
World War, 1939-1945--Underground movements--Belarus.
Princeton subject headings:
Belarus--History--1917-.
Soviet Union.
Spain--History--Civil War, 1936-1939--Participation, Foreign--Soviet Union.
Vaupshasov, S. A. (Stanislav Alekseevich)
World War, 1939-1945--Underground movements--Belarus.