Columbia subject headings:
Concertos (Violin and cello)--Scores.
Music--Manuscripts--Facsimiles.
Zwilich, Ellen Taaffe, 1939---Manuscripts--Facsimiles.
Harvard subject headings:
Concertos (Violin and cello)--Scores.
Music--Manuscripts--Facsimiles.
Zwilich, Ellen Taaffe, 1939---Manuscripts--Facsimiles.
Princeton subject headings:
Concertos (Violin and cello)--Scores.
Concertos.
Scores.