Columbia subject headings:
Harvard subject headings:
Anschluss movement, 1918-1938.
Austria--History--20th century.
Austria--History--Anschluss, 1938.
Austria--Politics and government--20th century.
Princeton subject headings:
Anschluss movement, 1918-1938.
Austria--History--20th century.
Austria--Politics and government--20th century.