Columbia subject headings:
Ethnology--Mongolia.
Mongolia--Geography.
Mongolia.
Simukov, A. D.
Harvard subject headings:
Ethnology--Mongolia
Mongolia
Mongolia--Geography.
Simukov, A. D. (Andreĭ Dmitrievich), 1902-1942?
Princeton subject headings:
Ethnology--Mongolia.
Mongolia--Geography.
Mongolia.
Simukov, A. D.