|Title=Philosophiae Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy)
|Resource Type=book
|Author=Issac Isaac Newton,
|Year=1687
|Abstract=This is a work in three books by Issac Newton, published on July 5, 1687. The Principia states Newton's three laws of motion and his law of universal gravitation. It is considered one of the most important works in the history of science.