Note 9 — Chapter I · FROM CH’ANG-GAN TO THE SANDY DESERT
James Legge translation
(9) Chang-yih is still the name of a district in Kan-chow department, Kan-suh. It is a long way north and west from Lan-chow, and not far from the Great Wall. Its king at this time was, probably, Twan-yeh of “the northern Leang.”