The 1991 World Book Year Book : The annual supplement to the world book encyclopedia 

 - Chicago :  World Book,  1991 
 - 576 p :  ill 
<br/><br/><label>ISBN: </label>0716604914 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History, Modern--Periodicals.--1991
<br/><br/><label>LC Class. No.: </label>Ref AE5  / N717 1991