Columbia subject headings:
Germany. Heer. Heeresgruppe Mitte--History.
World War, 1939-1945--Campaigns--Eastern Front.
Harvard subject headings:
Germany. Heer. Heeresgruppe Mitte--History.
World War, 1939-1945--Campaigns--Eastern Front.
Princeton subject headings:
Germany. Heer. Heeresgruppe Mitte--History.
World War, 1939-1945--Campaigns--Eastern Front.