Constantino, Renato,  <br/><br/>
The Philippines :  a past revisited / 
by Renato Constantino; with the collaboration of Letizia R. Constantino. 
 - Quezon City :  Tala Publishing Services,   1975. 
 - 463 p. ; 23 cm. 
<br/><br/> Reprint (5th printing), 1979 
<br/><br/><label>LCCN: </label>76-367655 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Philippine Islands--History