Howard, L. O. (Leland Ossian), 1857-1950. The Brown-Tail Moth and How to Control It, pamphlet, 1906; (https://digital.library.unt.edu/ark:/67531/metadc85611/m1/1/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .