1. The Adult's Learning Projects: An approach to theory and practice in adult learning;Tough,1971
2. The Learning Tasks Performed by Adult Self-Teachers;Tough,1965
3. Patterns of Learning Projects Among Professional Men;McCatty,1973
4. Selected Characteristics of the Learning Projects Pursued by Practicing Pharmacists;Johns,1973
5. The Major Learning Efforts of Two Groups of Accra Adults;Denys,1973