Gregory, Hollingsworth Franklin <br/><br/>
The helicopter 
H. F. Gregory. 
 - South Brunswick  A. S. Barnes  c1976. 
 - 223 p.  ill. 
<br/><br/> Published in 1944 under title: Anything a horse can do: the story of the helicopter.  Includes index. 
<br/><br/><label>ISBN: </label>0498016706  15.00 
<br/><br/><label>LCCN: </label>74030720  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters.
<br/><br/><label>LC Class. No.: </label>TL716  / .G68 1976 
<br/><br/><label>Dewey Class. No.: </label>629.133/35