Gullion, James Paul. A Comparative Study of Peters and Pomeroy's Fourth Edition of Commercial Law and Texas Statutes and Rulings and a Texas Supplement Thereto, thesis, 1941; (https://digital.library.unt.edu/ark:/67531/metadc70309/m1/1/: accessed May 22, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .