"Captain Roy Caldwell Jr., son of Mr. and Mrs. Roy Caldwell, McKinney. Graduate of McKinney High School, Texas A. & M., College, B. A. degree SMU, M.A government. Received commission June, 1940. Active duty Oct. 1941. QMRTC 1st assignment Fort Francis E. Warren, Wyo., as instructor. Later at HQ Rehabilitation Center, Camp Philips, Kan. May, 1945 stationed at Jefferson Barracks, Mo., HQ Rehabilitation Center."
“Roy Caldwell, Jr.,” McKinney Public Library Digital History, accessed September 28, 2023, https://mckinneylibrary.omeka.net/items/show/579.