Graca, John V. Da <br/><br/>
Heads of state and government / 
John V. Da Graca 
 - London  MacMillan Press  1985 
 - 264p.  26cm 
<br/><br/><label>ISBN: </label>0333392817 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heads of state - Registers<br/>Kings and rules - Registers