Image from page 24 of New Horizons, Vol. 14, No. 10, Oct-Dec 1944. Caption reads: "Smiling welcome from within a Clipper is a Miami pioneer, Margaret Echols"
image from page 2 of "Pan American World Airways Teacher: By Flying Clipper to the Philippines" illustrating an air route to the Philippine Islands via Hawaii, Wake Island, and Guam.
image from pp.4-5 of Classroom Clipper, Vol. 1, No. 3, Dec. 1944. Left caption reads: "This unusual map shows Central America, the Caribbean area and part of South America as it would appear to you from a vantage point in the stratosphere over Texas,…
page 16 of "Wings Over the World: Pan American World Airways Annual Report for 1943"; centerfold map entitled "Commercial Air Transport Routes Established by Pan American Airways"