Vatikan, Biblioteca Apostolica Vaticana, Pal. lat. 930
Epistolae Wormatienses et Laureshamenses ("Ältere Wormser Briefsammlung")
Worms und Lorsch, frühestens 1038 bis 1055 (Lorscher Zusätze: frühestens 1055 bis um 1060 und nach 1072)
The manuscript was compiled, at the earliest, in 1038 in Worms. In the middle of the 11th century it was already in Lorsch, where additions were noted from 1055/56 up until about 1060/65 and after 1072.