Crosby, Alfred W. <br/><br/>
The Columbian exchange :  biological and cultural consequences of 1492 / 
By Alfred W. Crosby. 
 - Westport :  Greenwood,  c1972. 
 - 268 p. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0837172284 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indians--Diseases.
<br/><br/><label>LC Class. No.: </label>E98  / .D6  / C7