Note 6 — VOLUME VI SLICE II Chicago, University of to Chiton (continued 5)
Reading edition
See the Geog. Jnl. (Feb. and March 1907). For a popular account of the wall, with numerous photographs, see The Great Wall of China (London, 1909), by W.E. Giel, who in 1908 followed its course from east to west. Consult also A. Williamson, Journey in North China (London, 1870); Martin, “La Grande Muraille de la Chine,” Revue scientifique (1891).