daleth meaning four would easily be misread for
resh meaning 200.
The Knights of the Hospital of St. John and the Templars are here referred to. See Gibbon, Decline and Fall of the Roman Empire; Charles Mills, History of the Crusades, 4th edition, vol. I, p. 342, and Besant and Palmer's Jerusalem, chap. ix.
Cf. the writings of Mukaddasi the Hierosolomite, one of the publications of the Palestine Pilgrims' Text Society. See also Edrisi's and Ali of Herat's works. Chap. iii of Guy Le Strange's Palestine gives full extracts of Edrisi's account written in 1154 and Ali's in 1173. See also five plans of Jerusalem designed between 1160 and 1180, vol. XV, Zeitschrift des Deutschen Palästina-Vereins.
Ezek. xx. 35. The idea that the Gorge of Jehoshaphat will be the scene of the last judgment is based upon Joel iv. 2. Cf. M. N. Adler, Temple at Jerusalem and Sir Charles Warren's Comments.