Schreurs, Peter (1981) THE ANGRY DAYS OF SURIGAO, 1898-1899:(OR: THE DRAMA BEHIND F. GONZALEZ STREET, CEBU CITY). Philippine Quarterly of Culture and Society, 9 (1). pp. 17-32.
Schreurs, Peter (2000) Caraga Antigua, 1521-1910: the hispanization and christianization of Agusan, Surigao, and East Davao. Republic of the Philippines, National Commission for Culture and the Arts, National Historical Institute, Manila, Philippines.