"Robert L. Owen Was 89 Saturday" Ada Evening News; "Former Senator Owen Observes 89th Birthday"; "Oklahoma's Pioneer Senators", Box 1, Folder 7, Item 6
Owen, Robert L. (Robert Latham), 1856-1947. "Robert L. Owen Was 89 Saturday" Ada Evening News; "Former Senator Owen Observes 89th Birthday"; "Oklahoma's Pioneer Senators", Box 1, Folder 7, Item 6, Robert L. Owen Collection, 1913-1946. Carl Albert Congressional Research and Studies Center. https://fraser.stlouisfed.org/archival/5300/item/535492, accessed on May 2, 2024.