1. Notes on the life history of the red tree mouse, Phenacomys longicaudus;Benson;Journal of Mammalogy,1931
2. The skull of Ictops and the classification of the Insectivora;Butler,1956
3. Some functional aspects of molar evolution;Butler;Evolution,1972
4. Molar wear facets of Tertiary North American primates;Butler,1973
5. The orbits of arboreal mammals: a reassessment of the arboreal theory of primate evolution;Cartmill;Doctoral thesis, University of Chicago,1970