Columbia subject headings:
Harvard subject headings:
Austria--Boundaries--Czechoslovakia.
Austria--Boundaries--Germany.
Austria--Boundaries--Hungary.
Austria--History--Allied occupation, 1945-1955.
Princeton subject headings:
Austria--Boundaries.
Austria--Foreign relations--1945-1955.
Austria--History--Allied occupation, 1945-1955.
World War, 1939-1945--Territorial questions--Austria.