Johnson, Emory R. <br/><br/>
Transportation : economic principles and practices  

 - New York  Appleton-Century-Crofts  1940 
 - 678 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation 
<br/><br/><label>Dewey Class. No.: </label>385.0973  / J630t 1940