"E. Ogden Ketting Papers"(PDF). Loyola University Chicago Archives & Special Collections. Archived from the original(PDF) on October 3, 2021. Retrieved October 3, 2021.
luc.edu
"E. Ogden Ketting Papers"(PDF). Loyola University Chicago Archives & Special Collections. Archived from the original(PDF) on October 3, 2021. Retrieved October 3, 2021.