Thomas, Vincent. “Statement of Investigation”. War Department, Washington D.C.
James A. Callendar. Changing Status of Personnel.
“Diseases and epidemics of the 19th Century”. Wikipedia. Accessed on November 29, 2018. https://en.wikipedia.org/wiki/Diseases_and_epidemics_of_the_19th_century
"United States World War II Enlistment Records." Family Search Database and images, John H. Crouch. Accessed on November 11,2018. www.familysearch.org/search/record/results?count=20localeSubcountryName=Mississippi&query=%2Bgivenname%3A%22john%20henry%22
Charles E. Blackwell to War Department Headquarters Army Air Forces. October 20, 1945. Missing Air Crew Report, Army Air Forces.