Note 318 — Chapter II · THE CONTRIBUTION OF WESTERN CHRISTENDOM BEFORE 1100 A. D.
Reading edition
See especially the works of E. Bauvois, F. Michel, P. Gaffarel, and T. Stephens, to which references are given in: Geographisches Jahrbuch, vol. xviii, Gotha, 1895, pp. 5–10. For a critical study, see Zimmer, Früheste Berührungen, 1891.