White, Alvin M. A Study of the Auto Mechanics Courses Taught in the Senior High Schools of Texas and the Opinions and Recommendations of School Administrators and Industrial Arts Teachers Concerning Auto Mechanics, thesis, 1949; (https://digital.library.unt.edu/ark:/67531/metadc83633/m1/1/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .