Columbia subject headings:
Songs (High voice) with piano.
Songs (Medium voice) with piano.
Harvard subject headings:
Heyse, Paul, 1830-1914--Musical settings.
Songs (High voice) with piano.
Songs (Medium voice) with piano.
Princeton subject headings:
Heyse, Paul, 1830-1914--Musical settings.
Musical settings.
Songs (High voice) with piano.
Songs (Medium voice) with piano.
Songs.