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 February 23, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .