Davenport, William W. <br/><br/>
Gyro! :  The life and times of Lawrence Sperry / 
William Wyatt Davenport. 
 - New York :  Scribner,  c1978. 
 - xi, 348 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0684157934 
<br/><br/><label>Subjects--Personal Names: </label><br/>Sperry, Lawrence Burst, 1892-1923. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--Biography.--United States
<br/><br/><label>LC Class. No.: </label>TL540.S687  / D38