Quaestiones in Librum quartum Sententiarum (Reportatio) - Wood, Rega. (OLS)http://semarc/name/34067; Guillelmus : de Occam <ofm ; 1290-1350>. (OLS)http://semarc/name/89160; Gál, Gedeon <ofm>. (OLS)http://semarc/name/90576 (Opera philosophica et theologica)