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- Adult education--United States (12)
- Continuing education--United States (5)
- Aged--Education--United States (2)
- Adult education--Canada (1)
- Adult education--Research--United States (1)
- Community development--United States (1)
- Education and state--United States (1)
- Education, Higher--United States (1)
- Education, Humanistic--United States (1)
- Gerontology--United States (1)
- Learning, Psychology of (1)
- Leisure--United States (1)
- Mentoring in education--United States (1)
- Motivation in adult education--United States (1)
- Universities and colleges--United States--Administration (1)
- Universities and colleges--United States--Planning (1)
- Working class--Education--United States (1)