This primary source comes from the Records of District Courts of the United States.
Full Citation: Supoena; 7/24/1918; United States of America v. Anthony J. Stopa and Mojick Fieron, 1918 - 1919; Criminal Case Files, 1894 - 1990; Records of District Courts of the United States, Record Group 21; National Archives at Chicago, Chicago, IL. [Online Version, https://www.docsteach.org/documents/document/subpoena, May 4, 2024]