Green, Dennis Howard, The Aesthetic Consequence of Literacy. An Aspect of the Twelfth-Century Renaissance in Germany, Res Publica Litterarum, 8, 1985, 83-92 (Green 1985a)

59,27 (88), 210,18 (88), 216,9 (88), 238,8-238,12 (88), 381,28-381,30 (88)