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"W.E. Knowles Middleton: Frederic Ives Medalist for 1959". Journal of the Optical Society of America. 50 (February 2): 93–96. 1960. doi:10.1364/JOSA.50.000093. ISSN0030-3941.
Madden, R. P. (1972). "The Frederic Ives Medal for 1971". Journal of the Optical Society of America. 62 (8): 927–930. doi:10.1364/JOSA.62.000927. ISSN0030-3941.
Boynton, Robert M. (1 August 1996). "History and current status of a physiologically based system of photometry and colorimetry". Journal of the Optical Society of America A. 13 (8). The Optical Society: 1609–1621. doi:10.1364/josaa.13.001609. ISSN1084-7529.