Title: Aquatic Insect Ecology, Part 1: Biology and Habitat / Edition 1, Author: J. V. Ward
Title: Encyclopedia of South American Aquatic Insects: Odonata - Anisoptera: Illustrated Keys to Known Families, Genera, and Species in South America / Edition 1, Author: Charles W. Heckman
Title: Aquatic Entomology, Author: Jill Lancaster
Title: An Illustrated Guide to the Mountain Stream Insects of Colorado, Second Edition / Edition 2, Author: J. V. Ward