Columbia subject headings:
Harvard subject headings:
Babbitt, Milton, 1916-2011--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Piano music (4 hands)
Princeton subject headings:
Babbitt, Milton, 1916-2011--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Piano music (4 hands)