Columbia subject headings:
Balkan Peninsula--History--20th century.
Soviet Union--Armed Forces--History.
World War, 1939-1945--Campaigns--Balkan Peninsula.
World War, 1939-1945--Campaigns--Eastern Front.
Harvard subject headings:
Soviet Union--Armed Forces--History.
World War, 1939-1945--Campaigns--Balkan Peninsula.
Princeton subject headings:
Soviet Union--Armed Forces--History--World War, 1939-1945.
World War, 1939-1945--Campaigns--Balkan Peninsula.