The Music All sheet music available in print from Van Slyck 20th Century Music unless otherwise noted.
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 (orignal 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
  Massachusetts Institue of Technology
  Lewis Music Library
  One Handed by Donald L. Patterson
  Boston Composers Project
  A Bibliography of Contemporary Music:
  By Boston Area Music Libraries,
  Linda Solow Blotner