| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Hospitaller Piety and Crusader Propaganda: Guillaume Caoursin's Description of the Ottoman Siege of Rhodes, 1480 | 978-0-367-88240-2 (0-367-88240-X) | 2019 | Donald J. Kagay |
| On the Social Origins of Medieval Institutions: Essays in Honor of Joseph F. O'Callaghan | 978-90-04-11096-0 (90-04-11096-8) | 1998 | Joseph F. O'Callaghan · Donald J. Kagay |
| Queens, Regents and Potentates | 978-0-85115-649-1 (0-85115-649-5) | 1995 | |
Boydell Press · Brill · Routledge