Volume 170 of the Patrologia Latina published by J.P. Migne
R. D. D. Rupertus abbas monasterii S. Heriberti Tuitiensis. Hermannus ex Judaeo Christianus. Udascalcus monachus Augustanus. Munio Mindoniensis. Hugo Portucalensis in Gallaecica, episcopi, et Gerardus presbyter. S. Norbertus archiepiscopus Magdeburgensis.