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Douglas MacArthur Douglas Costa Douglas A-4 Skyhawk Douglas A-26 Invader Douglas A-1 Skyraider Douglas Aircraft Company Douglas A-3 Skywarrior Douglas DC-3 Douglas A-20 Havoc Douglas B-66 DestroyerTài liệu tham khảo
WikiPedia: Douglas_C-74_Globemaster http://www.air-and-space.com/Douglas%20C-74.htm http://books.google.com/books?id=bCEDAAAAMBAJ&pg=P... https://commons.wikimedia.org/wiki/Category:C-74_G...