The Federal Reporter with Key-Number Annotations, Volume 250: Cases Argued and Determined in the Circuit Courts of Appeals and District Courts of the United States, August-October, 1918., legislative document, 1918; (https://digital.library.unt.edu/ark:/67531/metadc38821/m1/31/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .