Sikorsky's autobiography, The Story of the Winged S. (originally published 1938; updated editions, various years up to 1948)
Frank J. Delear, Igor Sikorsky: His Three Careers in Aviation (New York, 1969) - described as "the only biography"[1] (http://www.ctheritage.org/encyclopedia/ctsince1929/sikorsky.htm)
... the village is $69,519, and the median income for a family is $69,615. Males have a median income of $46,083 versus $34,261 for females. The per capita income for th ...