1. Fossil Fish Localities in the Green River Eocene of Wyoming Author Hesse, Curtis J. Published 1939
2. The Status of Ctenogobius Gill (Pisces: Gobiidae) Author Robins, C. Richard and Lachner, Ernest A. Published 1966 Full Text View/download PDF
3. THE BIOLOGICAL RELATION OF AQUATIC PLANTS TO THE SUBSTRATUM Author Gager, C. Stuart Published 1905
4. A Review of the 1970 Literature on Wastewater and Water Pollution Control Author WPCF Research Committee, Weiss, C. M., and Engelbrecht, R. S. Published 1971