Locklin, D. Philip  1897- <br/><br/>
Economics of Transportation / 
D. Philip Locklin. 
 - 4th ed. 
 - Homewood; Ill. :  R. D. Irwin,  c1954 [Printing 1956]. 
 - xi, 916 p. :  ill. ;  23 cm. 
 - The Irwin series in economics .
<br/><br/>Includes bibliography and index. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation.--United States.
<br/><br/><label>Dewey Class. No.: </label>388.0973  / LOE 1956