Heald, Frederick Deforest . <br/><br/>
Manual of Plant Diseases /  Textual Documents 
Frederick Deforest Heald. 
 - 1st ed / 
 - New York :  McGraw - Hill book company ,  1933. 
 - 952p ;  23 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Botany T/G-Botany 
<br/><br/><label>Dewey Class. No.: </label>581.2  / H 347 M