Radulfi Nigri chronica = The chronicles of Ralph Niger - Radulfus Niger 1140-1206; Radulfus Niger 1140-1206; Radulfus Niger 1140-1206 (Franklin, 1967)
Darin 1.: Radulfus <Niger>: Chronicon ab initio mundi ad A. D. 1199. Darin 2.: Radulfus <Niger>: Chronicon secundum a Christo nato ad regnum Henrici Secundi regis Angliae