The fonds consists of audio recordings of unedited interviews conducted by Diana Cooper-Clark with major international novelists. Most of these interviews have been published in her two monographs.

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.