Wallace, Joseph. Signature on certificate (signed by Leslie M. Shaw) appointing Wallace delegate to a convention in St. Louis for the purpose of considering the matter of celebrating the Centennial of the Louisiana purchase; signed by Wallace appointing Ellis D. Robb to act as his proxy to this convention. Accompanied by a transcript of an article from the Wall Street Journal of February 2, 1922, Item 12, Box: 1. Ellis Robb Collection of Iowa Autographs, MsC0749. University of Iowa Special Collections. https://aspace.lib.uiowa.edu/repositories/2/archival_objects/148757 Accessed February 23, 2025.