Lyles, Henry Francis. A Comparison of Insurace Curricula of Accredited Colleges and Universities in Texas with the Curricula Recommended by 100 Selected Insurance Companies Operating in the State of Texas, thesis, 1957; (https://digital.library.unt.edu/ark:/67531/metadc107967/m1/1/: accessed June 16, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .