Troyes, BM, 952
From Clavis Canonum
register of Gregory VIITroyes, Bibliothèque municipale, 952 is a twelfth-century copy of the register of Gregory VII, the earliest register of papal letters to have survived completely in the original. It contains the Dictatus papae.
The manuscript is online: https://portail.mediatheque.grand-troyes.fr/iguana/www.main.cls?surl=search&p=*#recordId=2.334
The IRHT seems to have digitized the microfilm: http://medium-avance.irht.cnrs.fr/ark:/63955/md6341688s1b
