Tommaso d'Aquino : Vita, pensiero, opere - Weisheipl, James Athanasius. (OLS)http://ftis/name/61126; Marabelli, Costante. (OLS)http://ftis/name/51132; Biffi, Inos. (OLS)http://ftis/name/51133 (Jaca Book,, 1987)