The Story of the Winged S
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The Message in the Lord's Prayer
The Sikorsky Aircraft Centennial: A Tribute by the Igor I. Sikorsky Historical Archives
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Igor Sikorsky: The Russian Years (English and Russian Edition)
$9.60
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The Sikorsky Legacy (Images of Aviation)
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The Aviation Careers of Igor Sikorsky
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Helicopter Man: Igor Sikorsky and His Amazing Invention (Genius at Work! Great Inventor Biographies)
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Igor Sikorsky - His Three Careers in Aviation
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Igor I. Sikorsky: Big Dreams, Big Planes, and the Rise of Helicopters (Titans of Fortune)
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The Lindbergh-Sikorsky Connection
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