1. A study of biology and behavior of caterpillars, pupae, and emerging butterflies of the subfamily Heliconiinae in Trinidad, West Indies. Part I. Some aspects of larval behavior;Alexander;Zoologica,1961
2. A study of the biology and behavior of caterpillars, pupae, and emerging butterflies of the subfamily Heliconiinae in Trinidad, West Indies. Part II. Molting and the behavior of pupae and emerging adults;Alexander;Zoologica,1961
3. Field observations on the cyanogenesis polymorphism in Trifolium repens;Angseesing;Heredity,1973
4. Resource partitioning in passion vine butterflies;Benson;Evolution,1978
5. Alternative models for infrageneric diversification in the humid tropics: Tests with passion vine butterflies;Benson,1982