[49] Detailed accounts of this are readily accessible in “The Heart of Asia”, and “The Caliph’s Last Heritage” by Sir Mark Sykes, the latter in a richly imaginative vein. Very full geographical data are given by Marquart, Ērānshahr 219 f.
[50] Narsh. 46. 12, 50. 15.
[51] E.g. Narsh. 58. 5. On the new city, Barthold Turkestan 110 f.
[52] E.g. Tab. 1544. 9, 1600 ff.
[53] On this dynasty see Ērānshahr 37 f., 248 ff. and de Goeje in W.Z.K.M. XVI (1902) 192-195.
[54] Yaʿqūbī Geog. 283: Chav. Doc. 161.
[55] The pronunciation of this name, usually pointed Ghūzak, is fixed by the Chinese transcription U-le-kia (Chav. Doc. 136).
[56] On the city of Khwārizm (Fīl, Kath) see Sachau “Zur Geschichte usw. von Khwārizm” pp. 23-25.
[57] Tab. 1252 f., 1525: Bal. 421: Al-Bīrūnī, “Chronology of Ancient Nations” (trans. Sachau, London 1879) pp. 41 f. Prof. Barthold is inclined to regard Al-Bīrūnī’s narrative as fictitious (perhaps intended to account for the absence of written records of Khwārizm dating from pre-Muslim times?) cf. “Turkestan” p. 1.
[58] Barthold, Arab. Quellen 21 f.