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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.Endless Amusement by UnknownAuthor: Unknown,Language: English, Class: Q: Science, Release Date: May 23, 2010

《Roughing It, Part 7.》
《Golden Stars, and Other Verses Following The Red Flower》
《Rose of Dutcher‘s Coolly》
《Surgical Instruments in Greek and Roman Times》
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