Eric L. Kershner books & textbook
Birding : Monitoring Needs of N. America's Landbirds; Saving the Micronesian Kingfisher; Birding in U.S. Wilderness Areas; Declines of Grassland Birds in the Midwest; Virginia's Conservation Cadre
Terry Rich John Gibbons Kevin Mack Eric L. Kershner Jerry Uhlman
2006T Journal
