The geographical lore of the time of the CrusadesNote 393 — Chapter IV · THE SOURCES FOR THE PERIOD 1100–1250 A. D.Reading editionPoole, op. cit., pp. 333–335; Duhem, Système, vol. iii, 1915, p. 92.◇Copy noteReturn to CHAPTER IV THE SOURCES FOR THE PERIOD 1100–1250 A. D.