Columbia subject headings:
Harvard subject headings:
Greece--History--Occupation, 1941-1944.
O.P.L.A.
Thessalonikē (Greece)--History--Occupation, 1941-1944.
World War, 1939-1945--Greece--Thessalonikē.
World War, 1939-1945--Underground movements--Greece--Thessalonikē.
Princeton subject headings:
Greece--History--Occupation, 1941-1944.
O.P.L.A.
Thessalonikē (Greece)--History--Occupation, 1941-1944.
World War, 1939-1945--Greece--Thessalonikē.
World War, 1939-1945--Underground movements--Greece--Thessalonikē.