1. “Animal Behavior: An Evolutionary Approach.”;Alcock,1975
2. The evolution of courtship behavior in New World salamanders with some comments on Old World salamanders;Arnold,1977
3. Phylogeny of the viperine snakes (Viperinae): Part II. Cladistic analysis and major lineages;Ashe;Fieldiana, Zool. (New Ser.),1988
4. The application of the idea of homology to behavior;Atz,1970
5. Modal action patterns;Barlow,1977