Columbia subject headings:
Rilke, Rainer Maria, 1875-1926--Aesthetics.
Rilke, Rainer Maria, 1875-1926--Philosophy.
Harvard subject headings:
Rilke, Rainer Maria, 1875-1926--Aesthetics.
Rilke, Rainer Maria, 1875-1926--Philosophy.
Princeton subject headings:
Metaphysics.
Rilke, Rainer Maria, 1875-1926--Criticism and interpretation.