Columbia subject headings:
Harvard subject headings:
World War, 1939-1945--Underground movements--Yugoslavia.
World War, 1939-1945--Yugoslavia.
Yugoslavia--History--Axis occupation, 1941-1945.
Yugoslavia--Politics and government--1918-1945
Princeton subject headings:
World War, 1939-1945--Yugoslavia.
Yugoslavia--History--Axis occupation, 1941-1945.