Columbia subject headings:
Harvard subject headings:
Hofmannsthal, Hugo von, 1874-1929. Rosenkavalier--Criticism, Textual.
Operas--Librettos
Princeton subject headings:
Hofmannsthal, Hugo von, 1874-1929--Criticism, Textual.
Hofmannsthal, Hugo von, 1874-1929. Rosenkavalier.
Operas--Librettos.