The world almanac and book of facts: 1991 

 - New York:  World Almanac:  1991 
 - 960 p.:  ill.;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0886878829 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs--United States<br/>Periodicals--Statistics--United States
<br/><br/><label>Dewey Class. No.: </label>059   / WOR