History
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- Pennant, Thomas (1726-1798)
- Welsh naturalist, antiquary and author. Bibliography, biographical notes, artworks and a complete list of the exhibits in the Thomas Pennant Exhibition held in 1998.
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- Alfred Russel Wallace - An Exponentialist View
- The site examines Wallace's treatment of the Malthusian population principle.
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- The Alfred Russel Wallace Website
- Covers Wallace's life and work, images, FAQ, and information about the Wallace Memorial Fund and its projects. Includes video and sound recordings, and map of UK sites, and literature downloads.
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- Bates College: Ladd Library: The Dorothy Freeman Collection
- Finding aid for a manuscript collection that includes correspondence (1952-1964) between Rachel Carson and her friend Freeman and other material about Carson.
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- IMDb: The Sea Around Us (1952)
- Information about the award-winning film documentary based on Carson's book.
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- Frontline: Silent Spring Revisited
- Discusses how supporters and critics assess Carson's influential book. From the Web site of the PBS TV series Frontline.
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- National Resources Defense Council: The Story of "Silent Spring"
- The positive influence of "Silent Spring."
- 50
- Free Online Library - The Voyage of the Beagle
- Read about the voyage of Darwin on the HMS Beagle between 1831 and 1836.
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- The Complete Work of Charles Darwin Online
- A single site for all of Darwin's published and unpublished writings including a major catalogue of his every publication and manuscript in the world. Fully searchable.
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- Free Online Library - The Origin of Species
- Find the famous treatise on the origin of man and the theory of evolution.