Agricultural / biological vocabulary 

 - Washington :  National Agricultural Library,  1967 
 - 2 v. 
<br/><br/> ---Sup. april - Octuber. -- Washington: NAL, 1968, 134 p. 
<br/><br/><label>LCCN: </label>67463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Tesauros.
<br/><br/><label>Dewey Class. No.: </label>630.03  / E8