Collection primarily consists of Witmer's audio-visual field recordings of interviews and musical performances, in addition to students' ethnomusicology research field recordings. His research files as an ethnomusicologist are also included and consist of lists, indexes, musical scores, notes, interview transcripts, programs, essays, newspaper clippings, song books, correspondence, and newsletters.
Collection consists of playbills and theatre programs arranged int he following series: 1. Dance companies (including ballet); 2. Theatre and drama companies; 4. Musical performances (excluding concerts); 5. Souvenir programs; 6. Film programs; 7. Concerts.
The collection consists of the Ontario Folklore Archives which includes student essays and cassettes of folklore in Canada. Subjects discussed in the student essays include folk medicine, folklore from regions in Ontario and Canada (Oshawa, Ontario, Feversham, Ontario, Newfoundland), from cultural groups (Jews, Ukrainians, French Canadians), musical folklore, social folklore (childrens jokes, urban graffiti), and related topics. In addition, there are recordings on audio cassettes and audio reels of Scottish folk songs and customs, old-time fiddling, songs of the Scottish regiment and of other subjects.
The collection consists of programmes, correspondence, articles and press clippings relating to the life and career of Isadora Duncan. Also included are research notes and interview transcripts used by Lillian Loewenthal in support of her book, The Search for Isadora Duncan (1993).