| Common name of letter | Registrum VI, 37 | ||||
| Pages in Caspar's edition | from 453 to 454 (â–ºdMGH) | ||||
| Number in JL | 5128 | ||||
| Type of document | (Normal) letter | ||||
| Abstract (from Caspar's edition) | Gregory VII rebukes Prince Jordan I of Capua for various issues. | ||||
| Place of issue | Rome | ||||
| Date of issue | 1079 April 21 | ||||
| Address lines | GREGORIUS episcopus servus servorum Dei Iordano Capuano principi | ||||
| Incipit | Sicut nonnulli noverunt, olim... | ||||
| Datum line | Data Rome XI Kalendas Maii Indictione II | ||||
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