Humboldt Alexander

Personal Narrative Of Travels To The Equinoctial Regions Of America, During The Year 1799-1804

Cosmos

Cosmos

Personal Narrative Of Travels To The Equinoctial Regions Of America, During The Year 1799-1804

Kritische Untersuchungen Über Die Historische Entwicklung Der Geografischen Erkenntnisse Von Der Neuen Welt Und Die Fortschritte Der Nautischen Astronomie In Dem 15ten Und 16ten Jahrhundert

The Island Of Cuba

A Geognostical Essay On The Superposition Of Rocks In Both Hemispheres

Researches, Concerning The Institutions And Monuments Of The Ancient Inhabitants Of America, With Descriptions And Views Of Some Of The Most Striking

Cosmos A Sketch Of The Physical Description Of The Universe Volume Iii

Tableaux De La Nature

Tableaux De La Nature. T. 2

Cosmos

Essai Géognostique Sur Le Gisement Des Roches Dans Les Deux Hémisphères

Ansichten Der Natur

Cosmos - A Sketch Of A Physical Description Of The Universe Volume Iv

Cosmos - A Sketch Of A Physical Description Of The Universe

Kritische Untersuchungen Über Die Historische Entwicklung Der Geografischen Kenntnisse Von Der Neuen Welt (1836)

Selections From The Works Of The Baron De Humboldt, Relating To The Climate, Inhabitants, Productions, And Mines Of Mexico

Fragmens De Géologie Et De Climatologie Asiatiques - Volume 2

Tableaux De La Nature - T. 1 (Éd.1850-1851)

Cosmos

Political Essay On The Kingdom Of New Spain

Researches, Concerning The Institutions And Monuments Of The Ancient Inhabitants Of America, With Descriptions And Views Of Some Of The Most Striking

Cours Complet D'enseignement Pour Le Certificat D'études Des Sciences Physiques, Chimiques

Views Of Nature

Fragmens De Géologie Et De Climatologie Asiatiques - Volume 1

Political Essay On The Kingdom Of New Spain

Essai Sur La Géographie Des Plantes, Accompagné D'un Tableau Physique Des Régions Équinoxiales

Im Ural Und Altai

Letters Of Alexander Von Humboldt

Auf Dem Orinoko

Viage A Las Regiones Equinocciales Del Nuevo Continente

Viage A Las Regiones Equinocciales Del Nuevo Continente

Viage Âa Las Regiones Equinocciales Del Nuevo Continente

Kosmos. Entwurf Einer Physischen Weltbeschreibung; Band 4

Cosmos: A Sketch Of A Physical Description Of The Universe: 1

The Fluctuations Of Gold, By Baron Alexander Von Humboldt...The Law Of Payment, By Francois Grimaudet...Tr. Into English, Rev. And Annotated By William Maude

Recueil D'observations De Zoologie Et D'anatomie Comparée: Faites Dans L'océan Atlantique, Dans L'interieur Du Nouveau Continent Et Dans La Mer Du Sud

Kosmos. Entwurf Einer Physischen Weltbeschreibung; Band 4

The Fluctuations Of Gold, By Baron Alexander Von Humboldt...The Law Of Payment, By Francois Grimaudet...Tr. Into English, Rev. And Annotated By William Maude

Cosmos: A Survey Of The General Physical History Of The Universe

Personal Narrative Of Travels To The Equinoctial Regions Of The New Continent, During The Years 1799-1804: By Atexander De Humboldt, And Aimé Bonpland

The Fluctuations Of Gold

Personal Narrative Of Travels To The Equinoctial Regions Of The New Continent, During The Years 1799-1804: By Atexander De Humboldt, And Aimé Bonpland

Personal Narrative Of Travels To The Equinoctial Regions Of America, During The Year 1799-1804 Vol. 2