C.R. · Collins R · Roger Collins
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Hiszpania w czasach Wizygotow 409-711 | Paperback | 978-83-01-17234-3 (83-01-17234-7) | 2012 |
| Hiszpania w czasach Wizygotow 409-711 | Hardcover | 978-83-01-15308-3 (83-01-15308-3) | 2007 |