The world almanac and book of facts  : 1991 
/ ed. by Mark S. Hoffman, June Foley, Thomas McGuire 
. - New York  : World Almanac, c1990
. - 960 p.  : ill.  ; 21 cm. 
 - The authority since 1868  00841382 .
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0886875781 
<br/><br/><label>Source: </label> Don du Centre Culturel Américain 
<br/><br/><label>Universal Decimal Class. No.: </label>059.