Columbia subject headings:
Balkan Peninsula--History--20th century.
World War, 1939-1945--Balkan Peninsula.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--Great Britain.
Harvard subject headings:
Balkan Peninsula--History--20th century.
World War, 1939-1945--Balkan Peninsula.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--Great Britain.
Princeton subject headings: