2020-02-282020-02-281950-07-01https://repository.tcu.edu/handle/116099117/37867Map of the world with Pan American World Airways System services currently operating marked in red lines.16.5x9.5 paperPrior written permission from TCU Special Collections required to use any document or photographAviationPan American World Airways (Pan Am)Air travelClipper flightsPan American World Airways System mapMap