Mindanao-Sulu bibliography containing published, unpublished manuscripts and works-in-progress : preliminary survey - Tiamson, Alfredo T.; Retana, W. E. 1862-1924. (Wenceslao Emilio) (Davao City Ateneo de Davao, 1970)
Philippines Reference}
Keywords: Mindanao Island (Philippines) -- Bibliography; Sulu Archipelago (Philippines) -- Bibliography; Sulu (Philippines) -- Bibliography