1. Bureau of Land Management (BLM). (2017). Wild horse and burro: about the program. U.S. Department of Interior, Washington, D.C., USA, <〈https://www.blm.gov/programs/wild-horse-and-burro/about-the-program〉>. Accessed January 14, 2021.
2. Using science to improve the BLM Wild Horse and Burro Program- a way forward;National Academy of Science (NAS),2013
3. Bureau of Land Management (BLM). (2022).Wild Horse and Burro Program: wild horse and burro on-range population estimates. U.S. Department of the Interior, Washington, D.C., USA, <〈https://www.blm.gov/programs/wild-horse-and-burro/about-the-program/program-data〉>. Accessed January 10, 2022.
4. Using Science to Improve the BLM Wild Horse and Burro Program: A Way Forward. Chapter 7,2013
5. Wild horse demography: implications for sustainable management within economic constraints;Garrott;Hum. Wildl. Interact.,2018