Writings by Newton* Newton's works – full texts, at the Newton Project* The Newton Manuscripts at the National Library of Israel - the collection of all his religious writings* "Newton's "Principia"" – read and search* "Descartes, Space, and Body" and "A New Theory of Light and Colour", modernised readable versions by Jonathan Bennett* "Opticks, or a Treatise of the Reflections, Refractions, Inflexions and Colours of Light", full text on archive.org* "Newton Papers" - Cambridge Digital Library
Writings by Newton* Newton's works – full texts, at the Newton Project* The Newton Manuscripts at the National Library of Israel - the collection of all his religious writings* "Newton's "Principia"" – read and search* "Descartes, Space, and Body" and "A New Theory of Light and Colour", modernised readable versions by Jonathan Bennett* "Opticks, or a Treatise of the Reflections, Refractions, Inflexions and Colours of Light", full text on archive.org* "Newton Papers" - Cambridge Digital Library