1. The Northern Bobwhite Conservation Initiative;RW Dimmick,2002
2. Spatial models of northern bobwhite populations for conservation planning;DJ Twedt;Journal of Wildlife Management,2007
3. The North American Breeding Bird Survey, Results and Analysis 1966–2015;JR Sauer,2017
4. National Bobwhite Technical Committee. Palmer WE, Terhune TM, and McKenzie DF (eds). The National Bobwhite Conservation Initiative: A range-wide plan for recovering bobwhites. National Bobwhite Technical Committee Technical Publication, ver. 2.0, Knoxville, Tennessee, USA; 2011.
5. Red-cockaded woodpecker recovery plan and environmental assessment: Felsenthal NWR and Overflow National Wildlife Refuges,1985