1. A study of the biology and behavior of the caterpillars, pupae, and emerging butterflies of the subfamily Heliconiinae in Trinidad, West Indies. I. Some aspects of larval behavior;Alexander A.J.;Zoologica,1961
2. Introduction to the ecology of the Arima Valley, Trinidad, B.W.I;Beebe W.;Zoologica,1952
3. A comparison of the eggs, larvae and pupae in fourteen species of heliconiine butterflies from Trinidad, W.I;Beebe W.;Zoologica,1960