1. “Adult Learners of Low Educational Attainment: The Self-Concepts, Backgrounds, and Educative Behavior of Average- and High-Learning Adults of Low Educational Attainment.” Unpublished doctoral dissertation, University of Toronto, 1971.
2. “Methodological and Substantive Issues in the Measurement of Self-Directed Learning Readiness.” Paper presented at the Adult Education Research Conference, Raleigh, N.C., April 1984.
3. “Independent Adult Learning.” Unpublished doctoral dissertation, University of Leicester, 1980.
4. Independent Adult Learning
5. “The Parallel Educational Universe: Successful Independent Learning of Adults of Low Educational Attainment in the United Kingdom.” Paper presented at the Adult Education Research Conference, Lincoln, Neb., April 1982.