Orosa, Sixto Y.,  1891-. <br/><br/>
The Sulu Archipelago and its people /  by Sixto Y. Orosa. 

 - 2nd.ed. 
 - [S. l. :  s. n.] ;  1970. 
 - x, 190 p. :  ill. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Muslims--Philippines.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Sulu Archipelago (Philippines).