G. K. · Geoffrey K. · Koziol Geoffrey
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Blaganie o przebaczenie i laske | 978-83-235-0543-3 (83-235-0543-8) | 2010 | |
| France in the Central Middle Ages: 900-1200 | 978-0-19-873185-6 (0-19-873185-X) | 2002 | Marcus Bull · Constance B. Bouchard · Linda Paterson · Jonathan Phillips · Schneidmülle |
| Sources of Power in the Late Carolingian World: Royal Diplomas and their Histories, 840–987 | 978-0-521-51702-7 (0-521-51702-8) | ||
Cambridge University Press · Oxford University Press · Wydawnictwo Uniwersytetu Warszawskiego