Government reference books 70/71 :  a biennial guide to U.S government publications / 
compiled by Sally Wynkoop 
 - Littleton, Colo. :  Libraries Unlimited  1969 
 - v. ;  25 cm. 
<br/><br/><label>ISBN: </label>0872870626 
<br/><br/><label>LCCN: </label>76-146307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Government publications--United States--Bibliography<br/>Reference books--Bibliography