Eo redegit angustiarum eundem regem exsulem, ut Turcici regis, et Sogdiani, et Sinensis, auxilia missis literis imploraret (Abulfed. Annal. p. 74).
The connection of the Persian and Chinese history is illustrated by Freret (Mem. de l'Academie, tom. xvi. p. 245 - 255) and De Guignes (Hist. des Huns, tom. i. p. 54 - 59), and for the geography of the borders, tom. ii. p. 1 - 43.