Materials include Bacon's viola sonata manuscript and recorded CD, concert program, articles, and correspondence. Dates range from 1987 to 2005. Most materials regard Bacon's viola sonata.

Contains materials pertaining to Gordon Childs’ research on, experience with, and study of, the viola d’amore. It includes his personal collection of viola d'amore music, his research on the viola d'amore, and other materials related to well-known contemporary viola d’amore players and composers. Dated 1602-2014 with the bulk being from 1935-1997.

Contains a collection of Nordic and Finnish viola manuscripts.

Contains Paul Doktor's collection of manuscript scores and manuscript photocopies for viola and other accompanying instruments. Dated 1942-1987.

This collection contains microfilms of viola music, viola tutors, and performance problems from the Ulrich Drüner private collection of 18th and 19th century viola music.

Viola manuscripts collected by Maurice Gardner. Materials date from the 1900s.

Contains viola manuscripts collected by the Paul Hindemith Institute.

Contains viola manuscripts collected by the Primrose International Viola Archive.

Collection involves the 2001 and 2003 Primrose Competitions and contains applicant information and applications, judging sheets, repertoire sheets, audiocassette tapes and CD recordings of the auditions, and other miscellaneous paperwork surrounding the organization of the competitions.

Materials includes scores and manuscripts from composers, Gerard Schuman, Karen J. Griebeing, Herbert Burst, Clement Turner, and Jonathon Adler. Some scores include correspondence between Rosenblum and the composers.