1. Fifth Report to Congress June 1984/Administration of the Wild-Free Roaming Horse and Burro Act,1984
2. Wild Horses of the Great Basin;Berger,1986
3. Analysis of Vertebrate Populations;Caughley,1977
4. The potential for increase in horse and ass populations: a theoretical analysis;Conley,1979
5. Wild Horses and Burros: A New Management Problem;Cook;Rangeman's J,1975