1. Wild Horses of the Great Basin;Berger,1986
2. Revision of the Herd Management Area Plan for the Pryor Mountain Wild Horse Range. Decision Record EA-MT-025-2-18,1992
3. The 10th and 11th report to Congress on the Administration of the Wild Free-Roaming Horses and Burros Act for Fiscal Years 1992–1995,1992
4. Managing America's wild horses and burros;Boyles;Journal of Equine Veterinary Science,1986
5. Experimental strategies for the development of an immunocontraceptive vaccine for the European red fox (Vulpes vulpes);Bradley;Reproductive Fertility and Development,1994