D.F. · F D F · F. F. · Fred Frankel
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Children's Friendship Training | Hardcover | 978-1-138-13070-8 (1-138-13070-2) | 2015 | Robert J. Myatt |
| Children's Friendship Training | Paperback | 978-1-58391-308-6 (1-58391-308-4) | 2002 | " |