1. Huygens, C. (1690). Traité de La Lumière. Pieter van der Aa.
2. Whittaker, E. (1951). A History of the Theories of Aether and Electricity. Thomas Nelson and Sons Ltd.
3. Young, T. (1802). II. The Bakerian lecture. On the theory of light and colours. Phil. Trans. R. Soc., 92, 12–48.
4. This Month in Physics History. (2008). May 1801: Thomas Young and the nature of light. APS News, 17 (2008)
5. Bragg, W. H., & Bragg, W. L. (1913). The reflection of X-rays by crystals. Proceedings of the Royal Society of London, Series A: Mathematical and Physical Sciences, 88, 428–438.