Cunningham, William P. Understanding Our Environment. (Dubuque, Iowa:Wm. C. Brown, 1994).
Gucanac, Joe and M. Fote. A Physio-Chemical Analysis of the Water in Wolf Run. Reports from the Kenyon College Nature Preserve. (Vol. 3, 1994).
Hassett, Philip. The Effects of Stream Flow and Dilution on Agricultural Contamination and Lotic Phytoplankton Communities at the Intersection of Two Streams. Reports from the Kenyon College Nature Preserve. (Vol. 2, 1994).
Klinkenborg, Verlyn. "A Farming Revolution: Sustainable Agriculture" National Geographic. (Vol. 188, No. 6, Dec. 1995).