O Callaghan, Bryn  . <br/><br/>
A history of the twentieth century /  
by Bryn O Callaghan. 
 - London :   Longman ,   1987. 
 - 316p. :   maps,pictures ;   30cm .  
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<br/><br/><label>ISBN: </label>0582331722  UKP 5.95 
<br/><br/><label>Subjects--Index Terms: </label>HISTORY MODERN 
<br/><br/><label>Dewey Class. No.: </label>909.82  / O CA/H