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Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and his memory continues to inspire the creation of eBooks and related technologies today.Forest Neighbors: Life Stories of Wild Animals by William Davenport HulbertAuthor: Hulbert, William Davenport, 1868-1913,Language: English, Class: QL: Science: Zoology, Release Date: Jan 29, 2009

《The Herapath Property》
《Scientific American Supplement, No. 458, October 11, 1884》
《Pater Paulus: Ivailu yhdess? n?yt?ksess?》
《Snowflakes》
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