Information from the following sources was used in the compilation of these webpages. We encourage you to consult these works to broaden your knowledge of Sperry and his accomplishments.
Hughes, T.P. (1971) Elmer Sperry, Inventor and Engineer. The Johns Hopkins Press: Baltimore.
Hunsaker, J.C. (1955) Biographical Memoir of Elmer Ambrose Sperry, 1860-1930. The National Academy of Sciences: Washington.
Hughes, T.P. (1976) Science and the Instrument-maker: Michelson, Sperry, and the Speed of Light. Smithsonian Institution Press: Washington.