Gregg, Josiah,  1806-1850. <br/><br/>
Commerce of the prairies / 
Josiah Gregg 
 - Ann Arbor, Mich. :  University Microfilms International,  1966 
 - 2 v. :  ill., maps (1 fold.) plates. ;  19 cm. 
 - March of America facsimile series  no. 71 .
<br/><br/><label>LCCN: </label>66-026341 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Southwest, New--Description and travel<br/>Mexico--Description and travel<br/>Santa Fe Trail