Columbia subject headings:
Harvard subject headings:
Karg-Elert, Sigfrid, 1877-1933--Criticism and interpretation.
Karg-Elert, Sigfrid, 1877-1933. Flute music.
Karg-Elert, Sigfrid, 1877-1933. Instrumental music.
Princeton subject headings:
Karg-Elert, Sigfrid, 1877-1933--Criticism and interpretation.