| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| After Deschooling, What? | 978-0-06-136126-5 (0-06-136126-7) | 1973 | Alan Gartner · Frank Riessman · Colin Greer · Ivan Illich · Maxine Green |
| Humanistic Frontiers in American Education | 978-0-13-447755-8 (0-13-447755-3) | 1972 | |
P.F. · R. F. · R. P. · R.P. Fairfield · Roy-P