Other Documents, including Yorke's migration card and a copy of Senator Ladd's (of North Dakota) speech in favor of the United States recognizing Mexico.: Our Duty to Mexico, Washington [Government Printing Office], 1922-1934, N.d.

Other Documents, including Yorke's migration card and a copy of Senator Ladd's (of North Dakota) speech in favor of the United States recognizing Mexico.: Our Duty to Mexico, Washington [Government Printing Office], 1922-1934, N.d., Box: 1, Folder: 8. Mexican Railway Company Limited Records, 2014-22. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/503526 Accessed September 26, 2026.