Liber quarti pars prima (dist. 1-14) - Biel, Gabriel, <1425ca-1495>. (OLS)http://semarc/name/10052; Hofmann, Udo. (OLS)http://semarc/name/10057; Werbeck, Wilfrid. (OLS)http://semarc/name/10056; Steiger, Renata. (OLS)http://semarc/name/10055 (Collectorium circa quattuor libros Sententiarum, 1975)