Russia, Mongolia, China: Being Some Record of the Relations Between Them From the Beginning of the XVIIth Century to the Death of the Tsar Alexei Mikhailovich, A.D. 1602-1676, Rendered Mainly in the Form of Narratives Dictated or Written by the Envoys Sent by the Russian Tsars, or Their Voevodas in Siberia to the Kalmuk and Mongol Khans and Princes; And to the Emperors of China; With Introductions, Historical and Geographical, Also a Series of Maps, Showing the Progress of Geographical Knowledge in Regard to Northern Asia During the XVIth, XVIIth, and Early XVIIIth Centuries, the Texts Taken More Especially From Manuscripts in the Moscow Foreign Office Archives