Sport and science on the Sino-Mongolian frontier Sowerby, Arthur de Carle, 1885-1954 creator text book London A. Melrose, Ltd 1918 1918
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ENG May be considered supplementary to Through Shè„n-Kan, by Robert S. Clark and Arthur de C. Sowerby. cf. Pref. China Description and travel Mongolia Natural history Scientific Expeditions DS710 .S6 https://www.biodiversitylibrary.org/bibliography/56821 2174845 19014451 10.5962/bhl.title.56821