ClassicsAspects of nature, in different lands and different climates (Vol. 2 of 2) - with scientific elucidationsAlexander von Humboldt
ClassicsViews of nature: or Contemplations on the sublime phenomena of creation - with scientific illustrationsAlexander von Humboldt
ClassicsLetters of Alexander von Humboldt to Varnhagen von Ense. - From 1827 to 1858. With extracts from Varnhagen's diaries, and letters of Varnhagen and others to HumboldtAlexander von Humboldt
ClassicsAspects of nature, in different lands and different climates (Vol. 1 of 2) - with scientific elucidationsAlexander von Humboldt
ClassicsCristóbal Colón y el descubrimiento de América, Tomo 2 - Historia de la geografía del nuevo continente y de los progresos de la astronomía náutica en los siglos XV y XVIAlexander von Humboldt
ClassicsCristóbal Colón y el descubrimiento de América, Tomo 1 - Historia de la geografía del nuevo continente y de los progresos de la astronomía náutica en los siglos XV y XVIAlexander von Humboldt
ClassicsRede, gehalten bei der Eröffnung der Versammlung deutscher Naturforscher und Ärzte in Berlin, am 18. September 1828Alexander von Humboldt
ClassicsPersonal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3Alexander von Humboldt
ClassicsPersonal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2Alexander von Humboldt
ClassicsPersonal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1Alexander von Humboldt
