George Gaylord Simpson: opere
- 1902 Nasce.
- 1934 Attending Marvels, New York, [rif.]
- 1944 Tempo and Mode in Evolution, Columbia University Press, New York, [rif.]
- 1949 The Meaning of Evolution, Yale University Press, New Haven, [rif.]
- 1984 Muore.
- 1984 Discoverers of the New World, Yale University Press, New Haven, [rif.]