Birds of Hocking County, OhioJohn T. Watts, Paul E. Knoop, Gary A. Coovert · First published 2016Open the Tome
The Ants of Ohio: (Hymenoptera: Formicidae) (Bulletin of the Ohio Biological Survey)Gary A. Coovert · First published 2006Open the Tome
A Revision of the Genus Pipiza Fallen (Diptera, Syrphidae) of America North of Mexico, with Notes on the Placement of the Tribe PipiziniGary A. Coovert · First published 1996Open the Tome
