Columbia subject headings:
Conference papers and proceedings.
Dürrenmatt, Friedrich--Criticism and interpretation--Congresses.
Dürrenmatt, Friedrich--Dramatic production--Congresses.
Dürrenmatt, Friedrich--Political and social views--Congresses.
Dürrenmatt, Friedrich--Sources--Congresses.
Philosophy in literature--Congresses.
Harvard subject headings:
Conference papers and proceedings.
Dürrenmatt, Friedrich--Appreciation--Congresses.
Philosophy in literature--Congresses.
Princeton subject headings:
Dürrenmatt, Friedrich--Appreciation--Congresses.