1. Pritchard WR. Future directions for veterinary medicine. Durham, NC: PEW National Veterinary Medical Education Program, Duke University, 1989.
2. "It was the best of times, it was the worst of times"
3. The shorter Oxford English dictionary. Oxford, England: Oxford University Press, 1973.
4. National Institute of Education. Involvement in learning: realizing the potential of American higher education. Washington, DC: Government Printing Office, 1988.