R.D.D. Ruperti abbatis monasterii S. Heriberti tuitiensis ...opera omnia. - Rupertus : Tuitiensis, 1070 ca.-1129. (OLS)http://ftis/name/90987; Migne, Jacques-Paul. (OLS)http://ftis/name/52039 (Typographi Brepols editores pontificii,)