|AviationHeritage.org - Working to document aviation heritage and history through the use of modern technologies|
|Curtiss P-40F, Lockheed Hudson, and CAC Boomerang (Daniel J. Leahy, 2014)|
Baugher, J. 2018 1943 USAAF Serial Numbers (43-5109 to 43-52437). Joe Baugher's Home Page. Retrieved 31 March 2018 from <http://www.joebaugher.com/usaf_serials/1943_2.html>.
Pacific Wrecks 2018 A-20G-40-DO Havoc Serial Number 43-21299. Retrieved 31 March 2018 from <https://www.pacificwrecks.com/aircraft/a-20/43-21299.html>.
Record updated on 31 March 2018.