Crosby, Alfred W. <br/><br/>
Ecological imperialism:   the biological expansion on Europe 900-1900 

 - NewYork:  Cambridge University Press,  1986. 
 - xiv, 368p.   :ill.  22cm. 
 - Studies in environment and history .
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>GF50.C76