Information please almanac, atlas & yearbook. 1990. 

 - 43rd ed. 
 - New York, N.Y. :  Houghton Mifflin Company,  1990. 
 - 992 p. :  ill., maps. 
<br/><br/><label>ISBN: </label>039551178X 
<br/><br/><label>LCCN: </label>90044102     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs, American.