obscure events of lasting importance, Murdoch Books, pp. 132–138, ISBN 978-1-74045-808-5. Dolan, Ronald E. (Ed.). (1991). Philippines: A Country Study. Washington:...
Stories: Obscure Events of Lasting Importance. Pier 9. p. 133. ISBN 978-1-74045-808-5. Archived from the original on 26 July 2020. Retrieved 5 August 2016...