Cambridge University today published Newton's most important works on a new library website

Cambridge University today published more than 4,000 pages of Newton's most important works on a new library website. They include his own annotated copy of Philosophiae Naturalis Principia Mathematica. First published in July 1687, 'Principia' not only contains the laws of motion, but also Newton's law of universal gravitation. It is widely regarded as one of the most significant works in the history of science. ...read

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http://www.dailymail.co.uk/sciencetech/article-2072992/Original-manuscript-Sir-Isaac-Newtons-famous-laws-motion-available-online.html