Bell, Dana (1995)       Air Force Colors Volume 1 1926-1942, Carrollton:  Squadron Signal Publications  ISBN:  0-89747-316-7. 
 Elliot, John M. (1989)       The Official Monogram US Navy &amp; Marine Corps Aircraft Color Guide Vol 2 1940-1949, Sturbridge, MA:  Monogram Aviation Publications  ISBN:  0-914144-32-4.
Own work
NiD.29