1. Ingestive behaviors of the American black bear. Third International Conference on Bears, pp. 13-25, 1976.
2. ; The causes of stereotypic pacing in an American black bear (Ursus americanus). in prep.
3. ; Grizzly Bear. pp. 515-556 in Wild Mammals of North America. eds. Johns Hopkins University Press, Baltimore, 1982.
4. ; Evaluation of grizzly bear food plants, food categories and habitat. pp. 43-84 in A Definitive System For Analysis of Grizzly Bear Habitat and Other Wilderness Resources, Chapter III. eds. Wildlife-Wildlands Institute Monograph, no. 1, University of Montana, Missoula, Montana, 1982.