1. Alexander, C., Ishikawa, S., & Silverstein, M. A pattern language. New York: Oxford University Press, 1977.
2. Bartenstein, F. The future of urban forestry. Paper presented at the 10th Anniversary of the Consortium for Environmental Forestry Research, Longwood Gardens, Pa., May 1980 (available from Pinchot Institute, USDA Forest Service).
3. Burton, T. L. Review of R. J. Burby’s Recreation and leisure in new communities. journal of Leisure Research, 1978, 10, 76–77.
4. Caldwell, L. K., Hayes, L. R., & MacWhirter, I. M. (Eds.). Citizens and the environment. Bloomington: Indiana University Press, 1976.
5. Clark, R. N. Control of vandalism in recreation areas—Fact, fiction, or folklore. In Vandalism and outdoor recreation: Symposium proceedings (USDA Forest Service General Tech. Rep. PSW-17). Berkeley, Calif.: USDA Forest Service, 1976, pp. 62–72.