Contains recordings on audio cassettes of various viola performances and congresses, collected by Karen Tuttle. Some unidentified. Materials dated approximately 1950 to 1997.

Programs, clippings, fliers, press releases, and other materials on music performances, most of which Karen Tuttle is part of. Materials dated 1948 to 1980.

Contains the personal papers of violist Karen Tuttle, including music scores, recordings of viola performances, concert programs, and personal documents. Also contains materials related to Karen's work in viola pedagogy, including letters to students, clippings, notes, and publications. Materials dated approximately 1720 to 2007. Earlier dated materials are part of the scores series, and are facsmiles. The bullk of the materials are dated 1940-2007.