Vintage Aviation News on MSN

The mighty Douglas DC-3 celebrates 90 years flying

Explore the origins of the Douglas DC-3, from the DST's first flight and hard-won development to the design innovations that ...
insider.si.edu

The Douglas DC-4, including Canadair 4 and Douglas DC-5 compiled by Peter Berry [and others]

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!23322~!0#focus ...