1. Ecological studies on six endangered butterflies (Lepidoptera: Lycaenidae): island biogeography, patch dynamics, and the design of habitat preserves;Arnold;University of California Publications in Entomology,1983a
2. Conservation and management of the endangered Smith's blue butterfly Euphilotes enoptes smithi (Lepidoptera: Lycaenidae);Arnold;Journal of Research on the Lepidoptera,1983b
3. The Xerces Society: 36 years of butterfly conservation;Black;News of the Lepidopterists’ Society,2007