The World Almanac and book of facts 1991.  [Books]. 

 - New York, United States :   World Almanac,  ©1990. 
 - 960 pages :   21 cm  
<br/><br/> Notes Registration No: 23468 (1al) Notes Registration No: 23468 (1al) New Campus : (c1)<br/>Includes index. 
<br/><br/><label>ISBN: </label>0886875803 9780886875800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs, Amanican.<br/>Statistics--Periodical