A Discourse of the Concave Spherical Mirror by Ibn Al-Haitham Ibn Al-Haitham, H. J. J. Winter in Journal of the Royal Asiatic Society of Bengal (1950) Journal Article 1 optics
Opticks: Or, A Treatise of the Reflections, Refractions, Inflections and Colours of Light. ... Sir Isaac Newton (1718) Book 1 optics
