Pegrum, Dudley Frank <br/><br/>
Transportation: economics and public policy / 
Dudley Frank  Pegrum 
 - Homewood, Ill. :  R. D. Irwin,  1963 
 - 625 p. :  ill ;  24 cm. 
 - The Irwin series in economics .
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation--United States<br/>Transportation--Law and legislation--United States
<br/><br/><label>Dewey Class. No.: </label>385.173