Columbia subject headings:
Roethke, Theodore, 1908-1963--Musical settings.
Songs (Low voice) with piano.
Harvard subject headings:
Roethke, Theodore, 1908-1963--Musical settings.
Songs (Medium voice) with piano.
Princeton subject headings:
Roethke, Theodore, 1908-1963--Musical settings.
Songs (Medium voice) with piano.
Songs.