2020-02-202020-02-201936https://repository.tcu.edu/handle/116099117/37373Airline route map showing routes for Pan American Airways, Imperial Airways, Air France, Deutsche Lufthansa, Royal Dutch Airlines, and Soviet Air Trust.12.5x6 paperPrior written permission from TCU Special Collections required to use any document or photographAviationPan American World Airways (Pan Am)Air travelClipper flightsDocument