[Alexander von Humboldt] ; directed, designed and edited by Benjamin Villegas ; preliminary remarks, Gustavo E. Gomez Franco ; preface, German Arciniegas ; prologue, Jorge Arias de Greiff ; director of photography, Diego Miguel Garces ; translated from the Spanish and collated with the German and French originals by Allan S. Trueblood

Villegas Editores 1994 1st ed The route of Humboldt : Colombia and Venezuela : selected texts of Alexander von Humboldt v. 2

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