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Imbing, Thimuay Mangura Vicente L.; Viernes-Enriquez, Joy (1990). "A Legend of the Subanen "Buklog"". Asian Folklore Studies. 49 (1): 109–123. doi:10.2307/1177951. JSTOR1177951.
malacanang.gov.ph
"Pre-colonial Manila". Malacañang Presidential Museum and Library. Malacañang Presidential Museum and Library Araw ng Maynila Briefers. Presidential Communications Development and Strategic Planning Office. June 23, 2015. Archived from the original on March 9, 2016. Retrieved April 27, 2017.
Junker, Laura Lee (1998). "Integrating History and Archaeology in the Study of Contact Period Philippine Chiefdoms". International Journal of Historical Archaeology. 2 (4): 291–320. doi:10.1023/A:1022611908759. S2CID141415414.
"Pre-colonial Manila". Malacañang Presidential Museum and Library. Malacañang Presidential Museum and Library Araw ng Maynila Briefers. Presidential Communications Development and Strategic Planning Office. June 23, 2015. Archived from the original on March 9, 2016. Retrieved April 27, 2017.