Columbia subject headings:
Germany. Heer--History--World War, 1939-1945.
Soviet Union--History--German occupation, 1941-1944.
Harvard subject headings:
Germany. Heer--History--World War, 1939-1945.
Soviet Union--History--German occupation, 1941-1944.
Princeton subject headings:
Germany. Heer--History--World War, 1939-1945.
Soviet Union--History--German occupation, 1941-1944.