Asia and adjacents areas. ([editor no identificado], 1951)
"Gilbert Grosvenor, editor". "James M. Darley, chief cartographer"--Publicado con "National Geographic Magazine", v. 90. N. 3. Mar., 1951--Muestra los principales ferrocarriles, canales, aeropuertos, etc--Inserciones: Northern Hemisphere all distances are true to the Russian industrial center of Sverdlovsk