100 years of service:  United States Department of Agriculture. 

 - [Washington,  1961] 
 - [16] p.  illus.  21 x 27 cm. 
<br/><br/> Cover title. 
<br/><br/><label>LCCN: </label>agr62000023  
<br/><br/><label>LC Class. No.: </label>S21  / .C8 1961