National Motor-Gasoline Survey: Winter 1954-55, report, June 1955; (https://digital.library.unt.edu/ark:/67531/metadc38628/m1/1/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
National Motor-Gasoline Survey: Winter 1954-55, report, June 1955; (https://digital.library.unt.edu/ark:/67531/metadc38628/m1/1/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .