1. County-level agroforestry reported in the 2017 and 2022 U.S. Census of Agriculture (2nd Edition) 
			 
			
			- Author(s):
- Kellerman, Todd A.; Feibel, Samuel
2. County-level agroforestry reported in the 2017 U.S. Census of Agriculture
			 
			
			- Author(s):
- Kellerman, Todd A.
3. High-resolution land cover of Nebraska (2014)
			 
			
			- Author(s):
- Kellerman, Todd A.; Meneguzzo, Dacia M.; Vaitkus, Milda ; White, Monica; Ossell, Ryan; Sorsen, Nathan; Stannard, Jack; Gift, Trent; Cox, Jessica; Liknes, Greg C.
4. BeeTrees: tropical and sub-tropical nectar and pollen sources
- Author(s):
- Workman, Sarah W.; Stuthman, Joel
 
       U.S. Department of Agriculture
	U.S. Department of Agriculture