Columbia subject headings:
Citizenship--Poland.
Self-determination, National.
World War, 1914-1918--Territorial questions--Germany.
World War, 1914-1918--Territorial questions--Poland.
Harvard subject headings:
Self-determination, National
World War, 1939-1945--Territorial questions--Germany.
World War, 1939-1945--Territorial questions--Poland.
Princeton subject headings:
Self-determination, National.
World War, 1939-1945--Territorial questions--Germany.
World War, 1939-1945--Territorial questions--Poland.