Statistical services of the United States government / 

 - Washington :  US Govt. Printing Office ,  1968 
 - ix, 156p. ;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics<br/>United States
<br/><br/><label>Dewey Class. No.: </label>317 US  / US