Columbia subject headings:
Hofmannsthal, Hugo von, 1874-1929--Bibliography.
Houghton Library.
Harvard subject headings:
Hofmannsthal, Hugo von, 1874-1929--Bibliography--Catalogs.
Houghton Library--Catalogs.
Princeton subject headings:
Hofmannsthal, Hugo von, 1874-1929.
Houghton Library.