Nolla Acosta, Juan José, <br/><br/>
Historia de las elecciones celebradas en Puerto Rico 1960-1992 
Juan José Nolla Acosta. 
 - Carolina, P.R.  First Book Publishing of P. R.  1996. 
 - 97 p.  ill., tables. 
<br/><br/> Includes apendices. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elections--History.--Puerto Rico
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Politics and government--History.