The american almanac 1993-1994 :  statistical abstract of the United States/ 
Glenn W. King ... [ et al.] 
 - 113th ed. 
 - Austin, Texas :  The Reference Press,  1993. 
 - xxv, 1009 p. :  ill, maps. 
<br/><br/><label>ISBN: </label>1878753304 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Statistics--Periodicals
<br/><br/><label>LC Class. No.: </label>R HA 202  / A512a 1993