Columbia subject headings:
Drang nach Osten.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Eastern Front.
World War, 1939-1945--Soviet Union.
Harvard subject headings:
Drang nach Osten.
Germany--Politics and government--1933-1945.
Land settlement--Political aspects--Germany--History.
Population transfers--Germans.
World War, 1939-1945--Campaigns--Eastern Front.
World War, 1939-1945--Causes.
Princeton subject headings:
Drang nach Osten.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Campaigns--Eastern Front.
World War, 1939-1945--Soviet Union.