Insects & Spiders in 1994

Principles of Insect Morphology by Snodgrass, R. E.

Insects Coloring Book by Sovak, Jan

Insects of the Southwest: How to Identify Helpful, Harmful, and Venomous Insects by Werner, Floyd, Olson, Carl

Monitoring Butterflies for Ecology and Conservation: The British Butterfly Monitoring Scheme by Pollard, E., Yates, T. J.