Heald, Frederick DeForest,  1872- <br/><br/>
Introduction to plant pathology / 
by Frederick DeForest Heald 
 - 2nd ed. 
 - New York :  McGraw-Hill,  c1943 
 - xii, 603 p. :  ill. , ports. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 7.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases
<br/><br/><label>Dewey Class. No.: </label>581.2