Aircraft Photo of 33-0324, 1933 Douglas O-38F C/N 1177, Douglas O-38F as displayed at the USAF Museum at Wright-Patterson AFB in the Summer of 1977., by Peter Nicholson
File:Douglas C-1 051127-F-1234P-008.jpg - Wikimedia Commons
1/33 Douglas O-38 Paper Model
1/33 Douglas O-38 CANG Paper Model
Douglas C-47B Dakota 44-76787 skin panel with nose art - BLCKBRD
American airplanes: Douglas page 1
Aerial Visuals - Airframe Dossier - Douglas C-47A-70-DL, s/n 43-30652 USAAF, c/n 13803 {1}, c/r N345AB
Aerial Visuals - Airframe Dossier - Douglas C-47A-70-DL, s/n 43-30652 USAAF, c/n 13803 {1}, c/r N345AB
Pan Am Historical Foundation - December 12, 1969: The first to be received in an illustrious line of Pan Am 747s that would change travel forever! Boeing wide-body jet Young America (N733PA)
File:Douglas O-2H at NACA Langley Research Center 1934.JPG - Wikipedia
Aircraft Photo of 42-72469 / 272469, Douglas C-54D Skymaster, USA - Air Force
Aerial Visuals - Airframe Dossier - Douglas C-47A-75-DL, s/n 42-100857 USAAF, c/n 19320, c/r N2273K
F. Peter Blank
WW2 Bloch MB.150 French Fighter Aircraft Poster Print Picture
Aerial Visuals - Airframe Dossier - Douglas O-38F, s/n 33-0324 USAAC, c/n 1177