Ongoco, Tomas C. <br/><br/>
Gabay sa pag-aaral ng El Filibusterismo / 
Tomas C. Ongoco 
 - Quezon City  Manlapaz Publishing Company  1967 
 - 200  p. 
<br/><br/><label>ISBN: </label>9715460011 
<br/><br/><label>Dewey Class. No.: </label>FIL 899.211301 Ong3 1967 c.1