1. Understanding and facilitating adult learning. San Francisco: Jossey-Bass, 1986.
2. Basic principles of curriculum and instruction. Chicago: University of Chicago, 1949.
3. Preparing instructional objectives. Rev. 2nd Ed. Belmont, CA: Lake Publishing Company, 1984.
4. Effects of a Signature on Rates of Change
5. The adult learner. 5th Ed. Woburn, MA: Butterworth-Heinemann, 1998.