Graebel, Dr. Richard Paul #2 (1908-1976): Interview and memoir, O-G756.2, Container: Tape et al. UIS Archives/Special Collections.
Graebel, Dr. Richard Paul #2 (1908-1976): Interview and memoir, O-G756.2, Container: Tape et al. UIS Archives/Special Collections. https://uis.libraryhost.com/repositories/2/resources/1012 Accessed November 23, 2024.