The world almanac and book of facts 2007. 

 - New York :  World Almanac Education Group,  2007. 
 - 1008 p :  ill ;   cm. 
<br/><br/><label>ISBN: </label>9780886879952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs, American.<br/>Statistics.<br/>United States.
<br/><br/><label>LC Class. No.: </label>AY67  / .N53