Barnard, John G
The Isthmus of Tehuantepec; being the results of a survey for a railroad to connect the Atlantic and Pacific Oceans, made by the scientific commission
with a résumé of the geology, climate, local geography, productive industry, fauna and flora, of that region, arranged and prepared for the Tehuantepec Railroad Company of New Orleans by J. J. Williams [und:] Maps illustrating the Isthmus of Tehuantepec
New York, D. Appleton, 1852