1. and , Idea-Centered Laboratory Science (I-CLS). A unified science program for Grades 7, 8, and 9. Mimeographed syllabus, Western Michigan University, Kalamazoo, Michigan, 1972, 700 pp.
2. Organization of a basic science course
3. and , Science Reasoning and Understanding. A Report of the Intercollege Committee on the Evaluation of Science Objectives of the Cooperative Study of Evaluation in General Education. Dubuque, Iowa: Wm. C. Brown and Company, 1954;
4. EDUCATIONAL VALUES OF SCIENCE-IN-THE-NEWS
5. and , see ref. 1.