Land :   the year book of agriculture,1968 /  

 - Washington D.C :   U.S. Govt.,   1958 
 - xi, 605p.:  ill.;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture---year book
<br/><br/><label>Dewey Class. No.: </label>630  / UNL 1958