E F. · E. Foerster · V. Foerster
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Worlds on worlds: Journalistic writing | 978-0-13-968917-8 (0-13-968917-6) | 1978 | |
| Worlds on worlds: Journalistic writing | Paperback | 978-0-13-968925-3 (0-13-968925-7) | 1978 |
| Worlds on Worlds Teacher's Guide | Hardcover | 978-0-13-968909-3 (0-13-968909-5) | 1978 |