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Displaying results 1–25
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Views of nature: or Contemplations on the sublime phenomena of creation
Alexander von Humboldt
20 downloads
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1
Alexander von Humboldt and Aimé Bonpland
13 downloads
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Aspects of nature, in different lands and different climates (Vol. 1 of 2)
Alexander von Humboldt
12 downloads
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Astronomy for Amateurs
Camille Flammarion
7 downloads
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Aspects of nature, in different lands and different climates (Vol. 2 of 2)
Alexander von Humboldt
7 downloads
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
Alexander von Humboldt and Aimé Bonpland
7 downloads
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2
Alexander von Humboldt and Aimé Bonpland
6 downloads
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Anthropology and modern life
Franz Boas
5 downloads
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The book of wonders : gives plain and simple answers to the thousands of everyday questions that are asked and which all should be able to, but cannot answer...
5 downloads
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Paradise Lost
John Milton
5 downloads
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Astronomy for beginners
Hereward Carrington
5 downloads
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The Complete Herbal
Nicholas Culpeper
5 downloads
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Man and Nature; Or, Physical Geography as Modified by Human Action
George P. Marsh
4 downloads
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Pride and Prejudice
Jane Austen
4 downloads
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The Voyage of the Beagle
Charles Darwin
4 downloads
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The Montessori Method
Maria Montessori
4 downloads
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The Advancement of Learning
Francis Bacon
3 downloads
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Novum organum : or, True suggestions for the interpretation of nature
Francis Bacon
3 downloads
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The World's Greatest Books — Volume 15 — Science
3 downloads
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The Autobiography of Charles Darwin
Charles Darwin
3 downloads
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Principles of Geology
Sir Charles Lyell
3 downloads
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The universe around us
James Jeans
3 downloads
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Chess Fundamentals
José Raúl Capablanca
3 downloads
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First Principles
Herbert Spencer
2 downloads
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The Boy's Playbook of Science
John Henry Pepper
2 downloads
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Displaying results 1–25