Columbia subject headings:
Trios (Harp, percussion, double bass)--Scores.
Harvard subject headings:
Music--Manuscripts--Facsimiles.
Scelsi, Giacinto, 1905-1988--Manuscripts--Facsimiles.
Trios (Harp, percussion, double bass)--Scores.
Princeton subject headings:
Microtonal music.
Scores.
Trios (Harp, tamtam, double bass)--Scores.