Auf Siassi   Creator:   Powell; Ifor Ball (1902-1986); historian ( Photographer ) Powell, Ifor Ball, 1902-1986 ( contributor ) Publication Date:   1920s Type:   Photograph Source Institution:   SOAS University of London Holding Location:   Archives and Special Collections Spatial Coverage:   Asia -- Philippines -- Sulu -- Bangsamoro Autonomous Region in Muslim Mindanao -- 2nd District -- Siasi Auf Siassi	Composite boat, north coast of Siasi   Creator:   Powell; Ifor Ball (1902-1986); historian ( Photographer ) Powell, Ifor Ball, 1902-1986 ( contributor ) Publication Date:   1929 Type:   Photograph Source Institution:   SOAS University of London Holding Location:   Archives and Special Collections Spatial Coverage:   Asia -- Philippines -- Sulu -- Bangsamoro Autonomous Region in Muslim Mindanao -- 2nd District -- Siasi Composite boat, north coast of Siasi	Siassi [sic]   Creator:   Powell; Ifor Ball (1902-1986); historian ( Photographer ) Powell, Ifor Ball, 1902-1986 ( contributor ) Publication Date:   1920s Type:   Photograph Source Institution:   SOAS University of London Holding Location:   Archives and Special Collections Spatial Coverage:   Asia -- Philippines -- Sulu -- Bangsamoro Autonomous Region in Muslim Mindanao -- 2nd District -- Siasi Siassi [sic]