The Federal Reporter with Key-Number Annotations, Volume 251: Cases Argued and Determined in the Circuit Courts of Appeals and District Courts of the United States, October, 1918., legislative document, 1918; (https://digital.library.unt.edu/ark:/67531/metadc38822/m1/28/: accessed April 27, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .