List of books and of articles in periodicals relating to interoceanic canal and railway routes (Nicaragua; Panama, Darien, and the valley of the Atrato; Tehuantepec and Honduras; Suez Canal) Library of Congress, Morrison, Hugh A. (Hugh Alexander), b. 1863, United States. Superintendent of Documents
Rough notes of an exploration for an inter-oceanic canal route by way of the rivers Atrato and San Juan, in New Granada, South America John C. Trautwine