Authors: Alexander Von Humboldt
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Selected Writings — Alexander von Humboldt
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Ueber die unterirdischen Gasarten und die Mittel, ihren Nachtheil zu vermindern. — Alexander Von Humboldt
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Ensayo Político Sobre El Reino De La Nueva España; Volume 2 — Alexander Von Humboldt
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Political Essay On The Kingdom Of New-spain; Volume 4 — Alexander Von Humboldt
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Ensayo Político Sobre El Reino De La Nueva España; Volume 4 — Alexander Von Humboldt
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Ensayo Político Sobre El Reino De La Nueva España, Volume 3… — Alexander Von Humboldt
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Political Essay on the Kingdom of New Spain. With Physical Sections and Maps Founded on Astronomical Observations and Trigonometrical and Barometrical Measurements; Volume 3 — Alexander Von Humboldt
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Cosmos A Sketch of a Physical Description of the Universe — Alexander Von Humboldt
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Jaguars and Electric Eels — Alexander von Humboldt
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Personal Narrative of a Journey to the Equinoctial Regions of the New Continent Abridged Edition — Alexander von Humboldt
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Cosmos: A Sketch of a Physical Description of the Universe V1 1858 — Alexander Von Humboldt