Bibliography of butterflies

Emmel, Thomas Chadbourne, and Andrei Sourakov

1996. Bibliography of Butterflies: An annotated bibliography of the Neotropical butterflies and skippers (Lepidoptera: Papilionoidea and Hesperioidea). Atlas of Neotropical Lepidoptera. Volume 124. by Gerardo Lamas, Richard G. Robbins, and William D. Field. 1995. Tropical Lepidoptera 7(2): 154 (30 December) [book review]

2004. Monarch butterfly, Danaus plexippus L. (Lepidoptera: Danaidae), pp. 1452-1456, figs. 670-673. In: Capinera, J. L. (Ed.), Encyclopedia of Entomology. Dordrecht, Kluwer Academic Publishers. Vol. 2. [general]