- The Power of Art
- Effective Nonprofit Management: Essential Lessons for Executive Directors (Aspen's Nonprofit Management Series)
- The Unification Sciences: Mathematics, Physics and Chemistry
- The Unity of the Sciences in Unification Thought, Volume Three: Life, Mind and Spirit
- Digital Media: An Introduction
- P.D. Ouspensky
- Pierre Teilhard de Chardin
- Stephen Greenblatt
- Abraham H. Maslow
- Leonard Shlain
- Samuel P. Huntington
- Francis Fukuyama
- George Vecsey
- F. David Peat
- G.I. Gurdjieff
- Lee A. Jacobus
- Ronald Wright
- Erving Goffman
- Peter Watson
- Joseph Stanislaw
- Jennifer Michael Hecht
- Helen D. Hume
- Charles Alexander Robinson Jr.
- Archie Brown
- Jerry Brotton