Columbia subject headings:
Harvard subject headings:
Austria--History--Allied occupation, 1945-1955.
Authors, Exiled--Austria--Correspondence.
Authors, Exiled--Germany--Correspondence.
Exiles--Austria--Correspondence.
Exiles--Germany--Correspondence.
Germany--History--1945-1955.
Philosophers--Austria--Correspondence.
Philosophers--Germany--Correspondence
Sociologists--Austria--Correspondence.
Sociologists--Germany--Correspondence.
Princeton subject headings:
Exiles--Austria--Correspondence--Congresses.
Exiles--Germany--Correspondence--Congresses.
Philosophers--Correspondence--Congresses.
Social scientists--Correspondence--Congresses.