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I doubt there are very many airlines in the developed world that still publish paper timetables—if I’m wrong, let me know—but before the Internet, they were ubiquitous. Airline Timetable Images has an incredible collection of hundreds of timetable covers. It’s amazing how you can trace an airline’s history through its timetables; you can watch as a failing airline goes from glossy, four-colour printing to one-colour on newsprint.