1. “Recommendations and guidelines: The incorporation of results of current crustal evolution studies into K-12 curricula.” report of a conference on K-12 crustal evolution education held at Western Hills State Lodge, Oklahoma, September 16–18, 1974.
2. , , , , and , A Survey of Science Teaching in Public Schools of The United States (1971), Volume I —Secondary Schools, Columbus, Ohio;
3. Center for Science and Mathematics Education, The Ohio State University, 1973.