| Common name of letter | Registrum IX, 17 |
| Pages in
Caspar's edition | from 597 to 598 (â–ºdMGH) |
| Number in JL | 5225 |
| Type of document | (Normal) letter |
Abstract
(from Caspar's
edition) | Gregory VII exhorts Duke Robert Guiscard
to be thankful to St. Peter because of the accomplished victory and to keep his promise of support. |
| Date of issue | between 1081 October 18 and 1081 December 31 |
| Address lines |
GREGORIUS episcopus servus servorum Dei
R. glorioso duci
salutem et apostolicam benedictionem
|
| Incipit | Quod gesti belli proventum... |
| Is included in | |
