2020-01-102020-01-10n.d.https://repository.tcu.edu/handle/116099117/36494"Diagramatic view of the 'China Clipper' equipped for trans-Pacific service"9x11.5 paperPrior written permission from TCU Special Collections required to use any document or photographAviationPan American World Airways (Pan Am)Air travelClipper flightsArticle