Columbia subject headings:
Harvard subject headings:
Central Asiatic Expeditions (1921-1930)
Central Asiatic expeditions of the American museum of natural history.
China--Description and travel.
Mongolia--Description and travel
Natural history--China
Natural history--Mongolia.
Paleontology--China
Paleontology--Mongolia
Princeton subject headings:
Central Asiatic expeditions of the American museum of natural history.
China--Description and travel.
Mongolia--Description and travel.
Natural history--China.
Natural history--Mongolia.
Paleontology--China.
Paleontology--Mongolia.