Orosa, Sixto Y. <br/><br/>
The Sulu archipelago and its people / 
Sixto Y. Orosa. 
 - Manila :  New Mercury Printing Press,  1970. 
 - x, 189 pages :  illustration ;  23  centimeter. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sulu (Philippines).
<br/><br/><label>Dewey Class. No.: </label>FIL 991.4032 Or6s 1970