Frederick,D.H. <br/><br/>
Introduction to plant pathologhy 
/by Frederick Deforest Heald 
 - 2nd ed. 
 - New York  McGraw-Hill Book  1943 
 - xiii, 603 pages 
<br/><br/><label>ISBN: </label>116178 
<br/><br/><label>Dewey Class. No.: </label>581.2  / HEA