Mediaeval Researches From Eastern Asiatic Sources (Bretschneider)

Mediaeval Researches From Eastern Asiatic Sources: Fragments Towards the Knowledge of the Geography and History of Central and Western Asia From the 13th to the 17th Century (2 volumes; London: K. Paul, Trench, Trubner and Co., 1910), by E. Bretschneider (stable link)
New Online Books
https://onlinebooks.library.upenn.edu/webbin/book//lookupid?key=olbp80850