Guglielmo di Saint-Thierry, b., 1085-ca 1153 The Mirror of Faith. - Kalamazoo, Michigan : Cistercian Publications, 1979. - 104 p. ; 22 cm. - Cistercian Fathers Series ; 15 . ISBN: 0879073152 Subjects--Topical Terms: Altri autori (Catalogo Generale) - Letteratura primaria