National Geographic Society (U.S.). Cartographic DivisionIssued with the National geographic magazine, volume 56, no. 6, Dec. 1929.; Inset: Airways.83 x 96 centimetersJPEGUMN_ALMA:9935140040001701eng(Washington, ), 1929PublicEurope and the Near EastMapsEuropeAsia1929University of Minnesota