Simpson, Haward N <br/><br/>
Invisible Armies  the impact of disease on american history 

 - New York  The Bobbs-Merrill Company  1980 
 - xi, 239 P. 
<br/><br/><label>ISBN: </label>067252659X 
<br/><br/><label>Dewey Class. No.: </label>973  / S35