1. An Experimental Evaluation of a Student-Centered Method and a Teacher-Centered Method of Biological Science Instruction for General Education of College Students, unpublished Ph.D. Dissertation (University Microfilms: Mic. 58–1134), University of Minnesota, 1957. Also published as a summary report in the 1957 Proceedings of the South Dakota Academy of Science, XXXVI (January 1958), pp. 151–56.
2. Improving science teaching through realistic research
3. “The Natural Sciences,” in General Education, Part I, Fifty-First Yearbook of the National Society for the Study of Education (Chicago: University of Chicago Press, 1952), pp. 148–49.
4. “Two Contributions to Teaching Problem-Solving in Biology,” in Successful Devices in Teaching Biology (Portland, Maine: J. Weston Walch Publishers, 1957), pp. 39–42.
5. “Objectives in Science,” from General Education: Explorations in Evaluation (Washington, D. C.: American Council on Education, 1954), pp. 112–13.