Keir, Robert Malcolm,  1887- <br/><br/>
The march of commerce / 
Malcolm Keir. 
 - New Haven :  Yale University Press,  1927. 
 - 361 p. :  illus. ;  26 cm. 
 - Pageant of America ;  IV .
<br/><br/> Closed. 
<br/><br/><label>LCCN: </label>A2929  
<br/><br/><label>Subjects--Topical Terms: </label><br/>U.S--Comm.--History.<br/>Transportation--History.