| Common name of letter | Registrum II, 29 | ||||
| Pages in Caspar's edition | from 161 to 162 (â–ºdMGH) | ||||
| Number in JL | 4811 | ||||
| Type of document | (Normal) letter | ||||
| Abstract (from Caspar's edition) | Gregory VII summons Archbishop Siegfried of Mainz and his suffragans to the Lent council to Rome. | ||||
| Place of issue | Rome | ||||
| Date of issue | 1074 December 04 (Dating is problem here. See Caspar's note.) | ||||
| Address lines | GREGORIUS episcopus servus servorum Dei Sigefredo Mogontino archiepiscopo salutem et apostolicam benedictionem | ||||
| Incipit | Recordari credimus fraternitatem tuam, quam puro amore... | ||||
| Datum line | Data Rome II Nonas Decembris Indictione XIII | ||||
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