If you have a resource you would like to have considered for inclusion, please let us know.
Music Center (New York)
Approximately 40,000 scores, both published and unpublished, by 20th century
American composers; approximately 
If you have a resource you would like to have considered for inclusion, please let us know.
Music Center (New York)
Approximately 40,000 scores, both published and unpublished, by 20th century
American composers; approximately 20,000 sound recordings (primarily LPs, open-reel
tapes, cassettes, and CDs); information files on approximately 8,000 contemporary
American composers. Scores and CDs circulate to members of the center throughout
the world and through inter-library loan.
The AmericanMusic Institute (University of Michigan)
30,500-item Corning Sheet Music Collection, including 1800 Wolfe titles, 700
Civil War