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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.A Study of Splashes by A. M. WorthingtonAuthor: Worthington, A. M. (Arthur Mason), 1852-1916,Language: English, Class: QC: Science: Physics, Release Date: May 28, 2012

《The Letters of Horace Walpole, Earl of Orford ? Volume 1》
《Colour Measurement and Mixture》
《The Promise of American Life》
《Matilda Montgomerie Or, The Prophecy Fulfilled》
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