Crosby, Alfred W. <br/><br/>
The Columbian exchange :  biological and cultural consequences of 1492 / 
Alfred W. Crosby, Jr. ; forewords by J.R. McNeill and Otto von Mering. 
 - 30th anniversary ed. 
 - Westport, Conn. :  Praeger,   2003. 
 - 283 pages :  illustrations ;  22 cm 
<br/><br/>Includes bibliographical references (pages 222-276) and index. 
<br/><br/>The contrasts -- Conquistador y pestilencia -- Old World plants and animals in the New World -- The early history of syphilis : a reappraisal -- New World foods and Old World demography -- The Columbian exchange continues. 
<br/><br/> Thirty years ago, Alfred Crosby published a small work that stressed a simple point - that the most important changes brought on by the voyages of Columbus were not social or political, but biological in nature. This 30th anniversary edition includes a new preface from the author. 
<br/><br/><label>ISBN: </label>0275980731 9780275980733 0275980928 9780275980924 
<br/><br/><label>LCCN: </label>2003042858 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indians--Diseases.<br/>Indians--Agriculture.<br/>Medical geography--History.<br/>Biogeography.<br/>Communicable Diseases--history.<br/>History.<br/>Indians, North American--history.<br/>Plants, Edible--history.<br/>Biogeography.<br/>Indians--Agriculture.<br/>Indians--Diseases.<br/>Medical geography.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>History.
<br/><br/><label>Dewey Class. No.: </label>614.497 Ja Cro