Tyler, Poyntz <br/><br/>
Airways of America 
edited by Poyntz Tyler. 
 - New York  H. W. Wilson Co.  1958. 
 - 189 p. 
 - The Reference shelf, v. 30, no. 6 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>58012647 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics, Commercial--United States.<br/>Air traffic control--United States.