The Federal Reporter with Key-Number Annotations, Volume 256: Cases Argued and Determined in the Circuit Courts of Appeals and District Courts of the United States, May-July, 1919., legislative document, 1919; (https://digital.library.unt.edu/ark:/67531/metadc38827/m1/69/: accessed April 26, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .