Statistical abstract of the United States. 

 - Washington :  Department of Commerce. 
 -  24 cm. 
 -  1952, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1975, 1987 .
<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>317.3  / US