McKinney, K. B. (Kenneth Barbee), 1890- & Milam, Joe. The green June beetle larva in tobacco plant beds., book, 1934; (https://digital.library.unt.edu/ark:/67531/metadc3443/m1/1/: accessed August 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .