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Further notes on Mongolian Cretaceous mammals. American Museum novitates ; no. 329

Simpson, George Gaylord, 1902-; Central Asiatic Expeditions (1921-1930) (New York City : American Museum of Natural History, 1928)
Affinities of the Mongolian Cretaceous insectivores. American Museum novitates ; no. 330

Simpson, George Gaylord, 1902-; Central Asiatic Expeditions (1921-1930) (New York City : American Museum of Natural History, 1928)
Paleocene multituberculates from Mongolia. American Museum novitates ; no. 331

Matthew, William Diller, 1871-1930.; Granger, Walter, 1872-1941.; Simpson, George Gaylord, 1902- (New York City : American Museum of Natural History, 1928)
Additions to the fauna of the Gashato Formation of Mongolia. American Museum novitates ; no. 376

Matthew, William Diller, 1871-1930.; Granger, Walter, 1872-1941.; Simpson, George Gaylord, 1902- (New York City : American Museum of Natural History, 1929)
Cretaceous mammal skulls from Mongolia. American Museum novitates ; no. 225

Gregory, William K. (William King), 1876-; Simpson, George Gaylord, 1902-; Central Asiatic Expeditions (1921-1930) (New York City : American Museum of Natural History, 1926)
A Mesozoic mammal skull from Mongolia. American Museum novitates ; no. 201

Simpson, George Gaylord, 1902-; Central Asiatic Expeditions (1921-1930) (New York City : American Museum of Natural History, 1925)