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.

The Allen Sapp Score Collection contains manuscript and holograph scores of works composed by Allen Sapp. The collection also contains some of Sapp's drafts, outlines, and twelve-tone row forms and matrices; as well as exercises, analysis, and arrangements of other composer's works completed while at Harvard University.

The Allen Sigel Collection of Scores, 1946-1998 contains approximately 27 compositions by Allen Sigel. Many of them are present in multiple versions. There are also ten works by other composers in arrangements by Sigel and three of his didactic works for clarinet.

The Barbara Ann Conlogue Collection of Eleanor Steber Photographs and Clippings, circa 1935-1990 contains 383 images and eight clippings documenting the life and career of soprano Eleanor Steber. The collection includes stock publicity photographs, but is special for the many informal snapshots of Steber at various functions throughout her career. The snapshots include photographs of a television screen during broadcasts of Steber performances.

Collection contains folders of documents pertaining to Bode Sound Company products, including the Barberpole Phaser, Frequency shifters, and Vocoder. It also contains material from R. A. Moog, Inc. about its model of a vocoder.

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.

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.

Music librarian Carol June Bradley conducted interviews with 37 music Librarians from various institutions in the United States to research the history and practices of music librarianship.

Contains the extensive research papers of music librarian Carol June Bradley, including biographical information about fifteen American music librarians, files compiled in preparation of her history of music libraries in the United States, documents pertaining to the history of the Music Library Association, teaching materials used in courses in the Music Librarianship graduate program at the University at Buffalo, collected writings by other authors about librarianship, a bibliography of song literature for singers, her research about song literature, and her personal, business-related correspondence.

Contains eighteen photographs of Carol Plantamura with musicians associated with her time in Buffalo, including John Bergamo, Karl Kraber, Gregory Ketchum, Robert Dick, Yvar Mikhashoff, Buell Neidlinger, David Fuller, and Jeremy Noble.

The collection consists of 79 works by Morton Feldman in either score or part formats (72 scores; 7 sets of parts). All but one item are ink manuscripts on vellum. These served as the masters that Feldman submitted to C. F. Peters and Peters published directly from these masters. Almost all of the manuscripts are in Morton Feldman's hand, except for two scores copied by John Cage and three items in the hand of a music copyist.

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).

Collection of 125 complete pieces of sheet music from European countries: Austria (5), Belgium (6), England (54), France (9), Germany (31), Italy (14), and the Netherlands (5). Most of these include title page illustrations, about 30 of which are in color. The collection includes an additional 24 partial works, most of which consist only of their title pages. The musical content consists of 44 works for solo piano and approximately 75 works for some combination of voice and piano.

The collection contains 37 78 rpm 10-inch recordings, 1 7-inch 78 rpm recording, 1 5-inch 78 rpm recording, and 1 7-inch 45 rpm recording. The recordings are all commercial releases consisting of classical, ethnic, and popular music.

Collection of 92 pieces of sheet music, chiefly from the United States, most with title page illustrations.

The collection contains a small amount of correspondence, concert programs and advertisements, clippings, and photographs.

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.

This is the largest collection of Ferdinand Praeger's manuscripts in the world, consisting of approximately 480 works. The majority of the works are for piano, but the collection also includes chamber music for strings, large ensemble works, vocal works, and sketches. The dated works range from 1829-1891, but many works are undated.

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.

The collection contains scores and parts of twenty original compositions by Friedrich Otto Trautmann, a composer and organist who lived in Germany and England in the late nineteenth to early twentieth century.

The collection contains 145 large format slides that form 37 sets corresponding to popular song lyrics.

The Helene Fesenmaier Collection of Morton Feldman Correspondence contains six manuscript letters by composer Morton Feldman written to artist Helene Fesenmaier. The collection also contains an annotated copy of a typescript version of Feldman's article, The Anxiety of art.

The records of Hilda Schieder's Drum Corps include meeting minutes, its constitution and bylaws, business correspondence, and three black and white photographs.

Contains 71 photographs of musicians who participated in the June in Buffalo Festival 2000 at the University at Buffalo.

Contains 48 photographs of musicians who participated in the June in Buffalo Festival 2001 at the University at Buffalo.

Contains 28 photographs of musicians who participated in the June in Buffalo Festival 2002 at the University at Buffalo.

Contains 61 photographs of musicians who participated in the June in Buffalo Festival 2003 at the University at Buffalo.

Contains 44 photographs of musicians who participated in the June in Buffalo Festival 2004 at the University at Buffalo.

Contains 47 photographs of musicians who participated in the June in Buffalo Festival 2005 at the University at Buffalo

Contains 52 print photographs of musicians who participated in the June in Buffalo Festival 2006 at the University at Buffalo.

Contains 248 digital images (tiff files) of musicians who participated in the June in Buffalo Festival 2007 at the University at Buffalo.

Contains 234 digital images (tiff files) of musicians who participated in the June in Buffalo Festival 2008 at the University at Buffalo.

Contains 142 digital images of musicians who participated in the June in Buffalo Festival 2009 at the University at Buffalo.

Contains 134 digital images of musicians who participated in the June in Buffalo Festival 2010 at the University at Buffalo.

Contains 70 digital images of musicians who participated in the June in Buffalo Festival 2011 at the University at Buffalo.

Contains 132 digital images of musicians who participated in the June in Buffalo Festival 2012 at the University at Buffalo, including guest composers Fred Lerdahl, Steven Stucky, and Robert Beaser.

Contains 203 digital images of musicians who participated in the inaugural June in Buffalo Performance Institute and the June in Buffalo Festival 2013 at the University at Buffalo, including guest composers Raphaël Cendo, Brian Ferneyhough, Augusta Read Thomas, Charles Wuorinen, and Yehudi Wyner.

Contains 180 digital images of musicians who participated in the June in Buffalo 2014 at the University at Buffalo, including guest composers Joshua Fineberg, Stephen Hartke, Philippe Hurel, Hilda Paredes, and Bernard Rands.

Contains 375 digital images of musicians who participated in the June in Buffalo 2015 at the University at Buffalo and the associated June in Buffalo Performance Institute, including guest composers Roger Reynolds, Martin Bresnick, Brian Ferneyhough, August Read Thomas, Harvey Sollberger, Charles Wuorinen, and Steven Stucky.

Contains 314 digital images of musicians who participated in the June in Buffalo 2016 at the University at Buffalo, including guest composers Hans Abrahamsen, Hanna Eimermacher, Joshua Fineberg, Josh Levine, and Chinary Ung.

Contains 250 digital images of musicians who participated in the June in Buffalo 2018 at the University at Buffalo, including guest composers John Harbison, Roger Reynolds, Hilda Paredes, Hans Thomalla, and Louis Karchin.

The Irene Haupt Photographs of Musicians in Buffalo contains images of composers and performers who have participated in new music events at the University at Buffalo ca. 1978-1999. Composers represented in the collection include Larry Austin, Milton Babbitt, Henry Brant, John Cage, Elliott Carter, Aaron Copland, Jacob Druckman, David Felder, Morton Feldman, Lejaren Hiller, Lukas Foss, Ernst Krenek, Otto Luening, Conlon Nancarrow, Pauline Oliveros, Bernard Rands, Steve Reich, Poul Ruders, Frederic Rzewski, Ralph Shapey, Leo Smit, Virgil Thomason, Nils Vigeland, and Charles Wuorinen. Notable performers include Ursula Oppens, Yvar Mikhashoff, Frances-Marie Uitti, Jan Williams, Diamanda Galas, Miles Anderson, Leroy Jenkins, Malcolm Goldstein, and Carol Plantamura.

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.

The collection contains 84 10-inch sound recordings of jazz, blues, ragtime, and boogie woogie.

The collection contains 7 audio cassettes of interviews James B. Coover conducted with William Arnold Reeves at his workplace in London, England, 1985-1992.

Contains the personal papers of music librarian James Burrell Coover, including various materials related to his educational and employment history; his consultant work; personal and business-related correspondence; awards, grants and fellowships; his involvement in professional organizations such as International Association of Music Libraries and the Music Library Association; his associations with Vassar College and University at Buffalo (SUNY), both as music library director and professor of music; collected publications and research materials; and his published and unpublished materials.

The James W. McKinnon Music Iconography Slide Collection consists of 2,380 slide reproductions of iconographic sources related to music. Images in the collection feature representations of musicians, instruments, and musical notation in manuscript illuminations, prints, engravings, oil paintings, sculptural and architectural works, mosaics, reliefs, and other artworks.

Scores owned by percussionist and conductor, Jan Williams. The majority of the scores were marked by Williams for use in performance. Some scores bear inscriptions from composers to Williams.

The Jan Williams Collection of Images contains images of various performances and trips made by Jan Williams with accompanying performers and composers. An original gift was received of 321 prints and contact sheets and 54 35mm slides in 2007. An additional gift was received of 173 photographs in 2008.

Chiefly secondary materials such as articles and symposium papers collected by John Clough, many with correspondence.