Part 1, 14th century, second half: Isidore of Seville, De ecclesiasticis officiis William de Montibus, De errorum eliminatione Bernard of Clairvaux, Apologia Lanfranc, De corpore et sanguine domini 'Eusebius Gallicanus', Sermo de corpore et sanguine Domini Ps.-Isidore, De ordine creaturarum Bernard of…