1st World Library - Literary Society · Penguin Books Ltd · Random House
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Challenge to Lassie | VHS Tape | 6301978250 | 1998 | Charles Edgar Schoenbaum · George White · Robert Sisk · William Ludwig |
| Greyfriars Bobby | Paperback | 978-0-14-062201-0 | 2007 | |
| Greyfriars Bobby | Gebundene Ausgabe | 978-1-4218-0023-3 | 2005 | |
| Greyfriars Bobby | Paperback | 978-0-09-972121-5 | 2000 | |
| Greyfriars Bobby | " | 978-0-14-036742-3 | 1994 | |