J. L. · K L · Karl J Leyser
Hambledon Continuum · Oxford University Press
| title | ISBN-13 | year of publication |
|---|---|---|
| Communications and Power in Medieval Europe: The Carolingian and Ottonian Centuries v. 1 | 978-1-85285-013-5 | 1994 |
| Communications and Power in Medieval Europe: The Gregorian Revolution and Beyond v. 2 | 978-1-85285-113-2 | 1994 |
| Mediaeval Germany and Its Neighbours, 900-1250 | 978-0-907628-08-8 | 1982 |
| The Ascent of Latin Europe | 978-0-19-951546-2 | 1986 |