Documentary sources of philippine history 
Zaide Gregorio F. 
 -  National Book Store, Inc.  1990 
 - xxi, 434 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71084348-6 
<br/><br/><label>Dewey Class. No.: </label>F 991.4 ZaId 1990