Dickson, James G. <br/><br/>
Diseases of field crops / 
James G. Dickson. 
 - 2nd ed. 
 - London :  McGraw-Hill,  c 1956. 
 - xi, 517 p. :  ill. ;  23 cm.  
<br/><br/> Includes index. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diseases--crops.
<br/><br/><label>Dewey Class. No.: </label>632 / D561d