The McGregor Mirror. (McGregor, Tex.), Vol. 41, No. 5, Ed. 1 Friday, April 5, 1929, newspaper, April 5, 1929; (https://texashistory.unt.edu/ark:/67531/metapth874935/m1/1/: accessed January 23, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .