World War II Draft Registration Card for Roger Brooks Mason, Serial Number 299, Order Number 10862, February 16, 1942.
Dupree, Alan R. “From Roots to Branches: the History of Olive Branch, Mississippi.” In From Roots to Branches: the History of Olive Branch, Mississippi, 14. Bloomington, IN: AuthorHouse, 2013.
U.S., World War II Army Enlistment Records, 1938-1946 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2005.
Bjerkedal, T, J R Beckstrøm, J I Brevik, and K Skåden. “Height, Weight and Body Mass Index Measured among Men Born 1967-80.” Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke. U.S. National Library of Medicine, February 28, 2001. https://www.ncbi.nlm.nih.gov/pubmed/11293346.
Bajza, Stephen. “Army Ranks For Enlisted Personnel.” Military.com. Accessed December 4, 2019. https://www.military.com/army/enlisted-ranks.html.
“Roger B. Mason.” Roger B. Mason | American Battle Monuments Commission. Accessed December 4, 2019. https://www.abmc.gov/node/425377.
“83rd Chemical Battalion.” 83rd Chemical BN. Accessed December 4, 2019. https://home.army.mil/stewart/index.php/units/tenant-units/83rdChem.