Columbia subject headings:
Europe, Eastern--Relations--Germany.
Germany--History--1918-1933.
Germany--History--1933-1945.
Germany--Relations--Europe, Eastern.
World War, 1914-1918--Campaigns--Eastern Front.
World War, 1914-1918--Germany.
World War, 1914-1918--Influence.
Harvard subject headings:
Europe, Eastern--Relations--Germany.
Germany--Foreign relations--Europe, Eastern.
Germany--History--1918-1933
Germany--History--1933-1945
Germany--Relations--Europe, Eastern
World War, 1914-1918--Campaigns--Eastern Front
World War, 1914-1918--Germany--Public opinion.
World War, 1914-1918--Germany.
World War, 1914-1918--Influence
Princeton subject headings:
Germany--Foreign relations--Europe, Eastern--1918-1933.
Germany--History--1918-1933.
Germany--History--1933-1945.
World War, 1914-1918--Campaigns--Eastern Front.
World War, 1914-1918--Germany--Public opinion.