Title: On the trail of ancient man
Subjects: Central Asiatic Expeditions (1921-1930), Central Asiatic Expeditions of the American Museum of Natural History (1921-1930), Central Asiatic expeditions of the American museum of natural history, Description and travel, Natural history, Paleontology, Scientific expeditions, Travel, Expeditions, Central Asiatic Expeditions (1921-1930) http://id.loc.gov/authorities/names/no95059429
Places: Gobi Desert (Mongolia and China), Mongolia
People: Roy Chapman Andrews (1884-1960)