| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Reconquest Kings of Portugal: Political and Cultural Reorientation on the Medieval Frontier | 978-O-23O-52561-O (O-23O-52561-X) | 2008 |
Goldstein/Lay/Schneider/Asmar · L. S. · Lay, Schneider, Asmar Goldstein · Lay Steven · Linda Lay Shuler · Mary Lay-Schuster · S. Lay