1. “The Effectiveness of an Electronic Student Response System in Teaching Biology to the Non-major Utilizing Nine Group-Paced, Linear Programs,” unpublished doctoral dissertation, Ball State University, 1969.
2. The Emergent in Curriculum, John Wiley and Sons, Inc., New York, 1966, p. 293.
3. Developing Attitude Toward Learning, Fearon Publishers, Palo Alto, California, 1968, p. 7.
4. Taxonomy of Educational Objectives: Cognitive Domain, David McKay Co., Inc., New York, 1966, 207 pp.