Columbia subject headings:
World War, 1939-1945--Hungary.
World War, 1939-1945--Soviet Union.
Harvard subject headings:
Communism--Hungary
Hungary--Politics and government--1918-1945
World War, 1939-1945--Underground movements.
Princeton subject headings:
World War, 1939-1945--Hungary.
World War, 1939-1945--Soviet Union.