Squier, E. G. 1. (1858). The states of Central America: Their geography, topography, climate, population, resourses, productions, commerce, political organization, aborigines, etc., etc., comprising chapters on Honduras, San Salvador, Nicaragua, Costa Rica, Guatemala, Belize, the Bay Islands, the Mosquito Shore and the Honduras Inter-oceanic Railway. New York: Harper & Brothers Publishers.

Squier, Ephraim George 1821-1888. The States of Central America: Their Geography, Topography, Climate, Population, Resourses, Productions, Commerce, Political Organization, Aborigines, Etc., Etc., Comprising Chapters On Honduras, San Salvador, Nicaragua, Costa Rica, Guatemala, Belize, the Bay Islands, the Mosquito Shore and the Honduras Inter-oceanic Railway. New York: Harper & Brothers Publishers, 1858.

Squier, Ephraim George 1821-1888. The States of Central America: Their Geography, Topography, Climate, Population, Resourses, Productions, Commerce, Political Organization, Aborigines, Etc., Etc., Comprising Chapters On Honduras, San Salvador, Nicaragua, Costa Rica, Guatemala, Belize, the Bay Islands, the Mosquito Shore and the Honduras Inter-oceanic Railway. New York: Harper & Brothers Publishers, 1858.