Columbia subject headings:
Bartók, Béla, 1881-1945. Works.
Musical intervals and scales.
Tonality.
Harvard subject headings:
Bartók, Béla, 1881-1945--Criticism and interpretation.
Musical intervals and scales.
Tonality.
Princeton subject headings:
Bartók, Béla, 1881-1945. Works.
Musical intervals and scales.
Tonality.