Columbia subject headings:
Authors, German--19th century--Correspondence.
Authors, German--20th century--Correspondence.
Bruckmann, Elsa--Correspondence.
Bruckmann, Hugo--Correspondence.
Hofmannsthal, Hugo von, 1874-1929--Correspondence.
Kassner, Rudolf, 1873-1959--Correspondence.
Rilke, Rainer Maria, 1875-1926--Correspondence.
Harvard subject headings:
Authors, German--19th century--Correspondence
Authors, German--20th century--Correspondence
Bruckmann, Elsa--Correspondence.
Bruckmann, Hugo--Correspondence.
Hofmannsthal, Hugo von, 1874-1929--Correspondence.
Kassner, Rudolf, 1873-1959--Correspondence.
Rilke, Rainer Maria, 1875-1926. Correspondence.
Princeton subject headings:
Authors, German--19th century--Correspondence.
Authors, German--20th century--Correspondence.
Bruckmann, Elsa--Correspondence.
Bruckmann, Hugo--Correspondence.
Hofmannsthal, Hugo von, 1874-1929--Correspondence.
Kassner, Rudolf, 1873-1959--Correspondence.
Personal correspondence.
Rilke, Rainer Maria, 1875-1926. Correspondence.