Columbia subject headings:
Weigel, Hans--Criticism and interpretation.
Weigel, Hans--Influence.
Harvard subject headings:
Authors, Austrian--20th century--Congresses.
Weigel, Hans--Criticism and interpretation--Congresses.
Princeton subject headings:
Authors, Austrian--20th century--Congresses.
Weigel, Hans--Criticism and interpretation--Congresses.