Personal narrative of travels to the equinoctial regions of the New Continent, during the years 1799-1804 / by A. de Humboldt, and A. Bonpland ... Written in French by A. de Humboldt and translated into English by H.M. Williams.

Licence: Public Domain Mark

Credit: Personal narrative of travels to the equinoctial regions of the New Continent, during the years 1799-1804 / by A. de Humboldt, and A. Bonpland ... Written in French by A. de Humboldt and translated into English by H.M. Williams. Source: Wellcome Collection.