Libraries that house Van Slyck scores and manuscripts
Harvard University
Eda Kuhn Loeb Music Library
Harvard University
Hans Moldenhauer 20th Century Music Archives
at Houghton Library (original manuscripts)
Harvard Musical Association Library, Boston
New York Public Library for the Performing Arts –
American Music Center Collection
Boston Public Library, Music Department
University of Maryland
International Clarinet Association
Performing Arts Library
Research Center Score Collection Inventory