Links
Southwest Airways / Pacific Air Lines
Hiller Aviation Museum - San Carlos, CA
U.S. Airline Industry Museum Foundation, Inc.
J. Walter Thompson Advertising Archive @ Duke University
(vintage NWA print ads)
Retired Northwest Airlines Pilots Association - RNPA
Minnesota Aviation Hall of Fame
North Central Memories (DC-3 "728")
Air Times - A Source for Airline History
Airline History Museum at Kansas City
