Contains the papers of violist Thomas Tatton, including correspondence with renowned musicians, research on composers, and papers on the American Viola Society and the International Viola Society. Also contains various collected viola scores and accompanying notes and letters, and audiocassette recordings of viola congresses in the United States and Canada. Materials dated 1896-2010.

Papers on various composers collected by Thomas Tatton. Mainly contains scores, but also letters, notes, and other ephemera that accompanies the scores. Several scores are photocopies. Materials dated 1896-2008. Older materials likely reproduced but dated according to the original production of the score.

Contains professional papers of violist Thomas Tatton, including correspondence with violists and music printing companies, research on violist and composer Kenneth Harding, and papers on the North American Viola Congress, American Viola Society, and the International Viola Society. Materials dated 1972-2010.

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.

Contains photographs of Bernard Zaslav as well as a drawing of him and his viola. Dated circa 1975-1985.

Contains viola manuscripts collected by Ernst Wallfisch.

Contains scores collected by or created by William Primrose. Scores are handwritten, transcriptions, published versions, and photocopies. Some correspondence is included with scores. Materials dated 1904-1986.

This collection contains Bernard Zaslav's papers on the viola which consist of solo and chamber music scores, his own compositions and arrangements, and correspondence with other musicians. The collection also includes photographs and other promotional material for his performing groups. Dated approximately 1770-2014 with the bulk of the materials being from approximately 1900-2014.