Quaestiones de quolibet

Guerric of Saint-Quentin -1245. Quaestiones de quolibet / Guerric of Saint-Quentin ; a critical edition by Walter H. Principe ; with editorial revision and a preface by Jonathan Black ; introduction by Jean-Pierre Torrell . - Toronto : Pontifical Institute of Mediaeval Studies, 2002 . - xxxv, 462 p. 24 cm. - Studies and texts 143 .
0-88844-143-6