| The principles of classification and a classification of mammals GG Simpson Bulletin of the AMNH 84, 1945 | 4671 | 1945 |
| Tempo and mode in evolution GG Simpson Columbia University Press, 1984 | 4029 | 1984 |
| The major features of evolution GG Simpson Columbia University Press, 1953 | 3903 | 1953 |
| Principles of animal taxonomy GG Simpson New York: Columbia University Press, 1990 | 3660* | 1990 |
| Quantitative zoology GG Simpson, A Roe, RC Lewontin Courier Corporation, 2003 | 2298 | 2003 |
| The meaning of evolution: a study of the history of life and of its significance for man GG Simpson, L Simpson Yale University Press, 1949 | 2061 | 1949 |
| Splendid isolation: the curious history of South American mammals GG Simpson Yale University Press, 1980 | 938 | 1980 |
| Species density of North American recent mammals GG Simpson Systematic zoology 13 (2), 57-73, 1964 | 908 | 1964 |
| The species concept GG Simpson Evolution 5 (4), 285-298, 1951 | 730 | 1951 |
| The Baldwin effect GG Simpson Evolution 7 (2), 110-117, 1953 | 694 | 1953 |
| Horses. GG Simpson | 557 | 1951 |
| This view of life: The world of an evolutionist GG Simpson (No Title), 1964 | 548 | 1964 |
| Mammals and the nature of continents GG Simpson American Journal of Science 241 (1), 1-31, 1943 | 537 | 1943 |
| Behavior and evolution. AE Roe, GG Simpson Yale University Press, 1958 | 536 | 1958 |
| The beginning of the age of mammals GG Simpson Biological Reviews 12 (1), 1-46, 1937 | 508 | 1937 |
| Mammals and land bridges GG Simpson Journal of the Washington Academy of Sciences 30 (4), 137-163, 1940 | 455 | 1940 |
| Notes on the measurement of faunal resemblance G Simpson Amer J Sci 258, 300, 1960 | 395 | 1960 |
| History of the fauna of Latin America GG Simpson American Scientist 38 (3), 361-389, 1950 | 390 | 1950 |
| Large Pleistocene felines of North America GG Simpson American museum novitates 1136, 1-27, 1941 | 343 | 1941 |
| A catalogue of the Mesozoic Mammalia in the Geological Department of the British Museum GG Simpson | 304 | 1928 |
