Cobbs, John L <br/><br/>
Department bulletins nos. 851-875  :   with contents and index  / 
John L. Cobbs 
 - Washington  :   Department of Agriculture 
 - 19 p. 
 - EUA. Dep. of Agri. Bull.; 851-875 .
<br/><br/><label>LCCN: </label>203794 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura y ganadería -- Bibliografía