Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Austria--Congresses.
Austria--History--1938-1945--Congresses.
Austrians--France--Congresses.
France--History--German occupation, 1940-1945--Congresses.
World War, 1939-1945--Underground movements--Austria--Congresses.
World War, 1939-1945--Underground movements--France--Congresses.
Princeton subject headings:
Anti-Nazi movement--Austria--Congresses.
Austria--History--1938-1945--Congresses.
World War, 1939-1945--Underground movements--Austria--Congresses.