Almanac of the 50 states  : basics data prifiles with comparative tables 
/ ed. by Edith R. Hornor 
. - 1990 ed. 
. - Palo Alto  : Information publ., 1990
. - XIV-447 p.  ; 22 cm. 
<br/><br/><label>ISBN: </label>0931845173 
<br/><br/><label>Universal Decimal Class. No.: </label>059.