Columbia subject headings:
Authors, German--20th century--Correspondence.
Rilke, Rainer Maria, 1875-1926--Correspondence.
Thurn und Taxis, Marie, Princess, 1855-1934.
Harvard subject headings:
Rilke, Rainer Maria, 1875-1926
Thurn und Taxis, Marie, Princess, 1855-1934.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Personal correspondence.
Rilke, Rainer Maria, 1875-1926. Correspondence.
Thurn und Taxis, Marie, Princess, 1855-1934--Correspondence.