Stromberg, Charles H.; Engel, Daryl L.; Ramseur, J. Randle; Morin, Raymond G.; Warren, Sara Jane & Rodriguez, David M. Development of the Central City District, report, November 1972; (https://texashistory.unt.edu/ark:/67531/metapth636923/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .