Quaestiones de quolibet - Guerricus : de Sancto Quintino. (OLS)http://ftis/name/93621; Principe, Walter H. (OLS)http://ftis/name/59183; Torrell, Jean-Pierre. (OLS)http://ftis/name/54287; Black, Jonathan. (OLS)http://ftis/name/69587 (Pontifical Institute of Mediaeval Studies, 2002)