N. W. Ayer & Son. N. W. Ayer & Son's American Newspaper Annual and Directory: A Catalogue of American Newspapers, 1916, Volume 1, book, 1916; (https://digital.library.unt.edu/ark:/67531/metadc9277/m1/1/: accessed December 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .