Murphy, M. Maureen. Wagnon v. Prairie Band Potawatomi Nation: State Tax on Motor Fuels Distributed to Indian Tribal Retailers, report, December 9, 2005; (https://digital.library.unt.edu/ark:/67531/metadc822415/m1/1/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .