Collectorium circa quattuor libros Sententiarum. - Biel, Gabriel. (OLS)http://ftis/name/68872; Werbech, Wilfridus. (OLS)http://ftis/name/68873; Steiger, Renata. (OLS)http://ftis/name/68876; Helze, Martino. (OLS)http://ftis/name/68875; Hofmann, Udo. (OLS)http://ftis/name/68874 (J.C.B. Mohr,, 1973)