Watkins, Edgar <br/><br/>
Shippers and carriers of interstate and intrastate freight 
by Edgar Watkins. 
 - 3rd ed. 
 - Atlanta  Harrison Co.  1920. 
 - 2 v.  24 cm. 
<br/><br/><label>LCCN: </label>20016626  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interstate commerce<br/>Carriers--United States.
<br/><br/><label>Subjects--Index Terms: </label>Empresas de transporte  Estados Unidos.