Owen, Robert L. (Robert Latham), 1856-1947. "Master Tongue of Dr. Pei" Newsweek, Box 1, Folder 5, Item 23, Robert L. Owen Collection, 1913-1946. Carl Albert Congressional Research and Studies Center. https://fraser.stlouisfed.org/archival/5300/item/535402, accessed on April 19, 2024.