The collection chiefly consists of sales and auction catalogs from book and antiquarian dealers, with an emphasis on music. There are also some catalogs of personal collections included. Forty-nine of the items are photocopies and the remaining items are originals.

Collection of seventeen (and one duplicate) theater broadsides dating from 1790-1868 for performances in Boston, Massachusetts (2), London, England (14), and York, England (1).

The collection contains fourteen documents, including twelve letters from Paër to associates and friends and two documents showing his services rendered for the fiscal years 1811 and 1813.

The collection contains approximately 1300 scores, half of which bear markings entered by Mikhashoff or his colleagues in preparation for performance. The collection includes manuscripts and print publications, both originals and reproductions.

Collection contains 85 items, including letters to Dr. Perry, autographed programs, and autographed cards. It also includes the collection, Following a Star that consists of mimeographed copies of letters written by May Higgens to members of the Claudia Muzio Fan Club.

The collection consists of printed materials and correspondence compiled by the noted British music librarian, bibliographer, and musicologist Alec Hyatt King. The printed materials include offprints of articles, complete journal issues, exhibition catalogs, catalogs from music publishers and booksellers, membership lists and organizational histories, and concert programs.

Buffalo Musicians' Association records dating from 1889 to the present. Bulk of collection includes meeting minutes and financial records. Collection contains materials from Local 43 (white musicians' union), Local 533 (black musicians' union), Local 92 (merger of Locals 43 and 533, still in existence), Local 649 (Hamburg, N.Y., merged with Local 92 in 1999), and general AFM records.

The collection contains scores and parts of original compositions and arrangements by Frederick Slee. It also includes transcriptions of works by composers such as J.S. Bach, Mozart, and Haydn, as well as a lesson for recorder.

Contains 45 manuscript compositions, 4 manuscript arrangements, and 5 published compositions. It also contains an article written by Winning and two programs for concerts in Buffalo, New York.

Collection contains clippings, obituaries, correspondence, eighteen photographs of Alice and Frederick Slee, family, and friends, writings by Frederick Slee, documents about the Slee Bequest to the University of Buffalo, concert programs, and a log of a twenty-one day sailing trip undertaken by Frederick Slee and two friends in 1914. The log details their adventures along the northern shore of Lake Ontario.