Columbia subject headings:
Broch, Hermann, 1886-1951--Friends and associates--Congresses.
Harvard subject headings:
Broch, Hermann, 1886-1951--Friends and associates--Congresses.
Princeton subject headings:
Authors, Austrian--20th century--Biography--Congresses.
Broch, Hermann, 1886-1951--Congresses.
Broch, Hermann, 1886-1951--Friends and associates--Congresses.