Vail, E. R.; Mitchell, J. M.; Webb, J. W.; King, A. L. & Hamlett, P. A. Survey of protected terrestrial vertebrates on the Oak Ridge Reservation 1995 annual progress report, report, November 1, 1995; (https://digital.library.unt.edu/ark:/67531/metadc621847/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .