Hearings before the Ad Hoc Advisory Group on the Presidential Vote for Puerto Rico. 

 - Washington, D.C.  U. S. Government Printing Office  1971. 
 - 701 p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Presidents--Election.--United States<br/>Suffrage--Puerto Rico.<br/>Elecciones--Legislación--Estados Unidos.<br/>Presidentes--Elección.--Estados Unidos<br/>Sufrage--Puerto Rico.<br/>Election law--United States.