Walton, C. L. <br/><br/>
Agricultural parasitology : 

 - London :  Sidgwick & Jackson,  1927. 
 - x, 122 p. :  ill. ;  19 cm. 
<br/><br/> Includes index.<br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant Parasites<br/>Crop Diseases and Pests<br/>Livestock Parasites<br/>Parasitic Organisms in Agriculture
<br/><br/><label>Dewey Class. No.: </label>632.4  / WAL