Douglas Aircraft Company

• Service information summary, Jan-Feb 1962
• 1989 High-speed civil transport studies
• A history of the centrifuge in aerospace medicine
• C.A.A. approved airplane operating manual for the model DC-4 skymaster Douglas
• DC-3 yusōki toriatsukai setsumeisho
• DC-6A airfreight study
• Development of the Douglas transport
• Douglas Aircraft Company employee's manual
• Douglas Aircraft Company, inc. and the aircraft manufacturing industry
• Engineering, planning and scheduling, in nine Southern California aircraft plants, July, 1944
• Flat plates under normal loads
• Flight fitness