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Bretschneider, Emile Medieval 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. London Kegan Paul 1910
Reprint Two volumes, pp.xii, 334; x, 352, two folding maps. Trubners Oriental Series. Original tan cloth; very lightly soiled, but an excellent copy.

Based on researches originally printed in various papers published in the 1870s and since much revised and improved for publication in book-form, notably in the light of information resulting from Russian penetration of central Asia since the 1870s.