George Gaylord Simpson

1929

• Granger, W. & Simpson, G.G. 1929. A revision of the Tertiary Multituberculata. Bulletin of the American Museum of Natural History 56: 601–676. hdl: 2246/342 Reference page. 

1931

Simpson, G.G. 1931. A revision of the Tertiary Multituberculata. Bulletin of the American Museum of Natural History 59: (5), s. 271. Reference page. 

1935

• Simpson, G.G. 1935. Descriptions of the oldest known South American mammals, from the Río Chico Formation. American Museum Novitates 793: 1–25. hdl: 2246/2125 Reference page. 

1940

• Simpson, G.G. 1940. Studies on the Earliest Primates. Bulletin of the American Museum of Natural History 77(4): 185–212. hdl: 2246/375 Reference page. 

1945

• Simpson, G.G. 1945. The principles of classification and a classification of mammals. Bulletin of the American Museum of Natural History 85: xvi + 350 pp. hdl: 2246/1104 Reference page. 

1946

• Simpson, G.G. 1946. Fossil penguins. Bulletin of the American Museum of Natural History 87: 1–100. hdl: 2246/392 Reference page.