U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. Butts, Kenneth Olin. 1973. History and habitat requirements of burrowing owls in western Oklahoma. The importance of prairie dog towns to burrowing owls in Oklahoma. Proceedings, Oklahoma Academy of Sciences.
Artificial nest burrows for burrowing owls.
North American Bird Bander. Cook, Sherburne F., Jr. 1959. The effects of fire on a population of small rodents. Journal of Raptor Research. Vertebrate mortality during the burning of a reestablished prairie in Nebraska.