Magindanao, 1860-1888 the career of Data Uto of Buayan - Ileto, Reynaldo Clemena (Marawi City University Research Center, Mindanao State University, 1980)
Originally published as Data Paper No. 82, by the Southeast Asia Program, Department of Asian Studies, Cornell University, Ithaca, New York, U.S.A. in October 1971 with minor revision.