Reyes, J. Bikol Maharlika. s.l. : JMC Press Inc., 1992.

Your Guide to Bicol, Philippines. s.l. : PDP Digital Inc., 2012.

Gerona, D. Naga: Birth and Rebirth of a City. s.l. : City of Naga, 2003.

Baroman, Cesar C. Nueva Ecija, 1896-1946. Cabanatuan City : Nueva Ecija Historical Cultural and Arts Council, 1993.

Gerona, D. La Ciudad de Nueva Cáceres: The Rise of a Sixteenth Century Spanish City. s.l. : Galleon Publisher, 2014

Journal of Bikol Writing Vol. 1, No.1. Realubit, M.L. (Ed.). s.l. : National Commission for Culture and Arts, 1994.

Malanyaon, J. Istorya Kan Kabikolan (Kabikolan: A History). s.l. : AMS Press, 1991.

Gleeck, Lewis E. Nueva Ecija in American Times (Homesteaders, Hacenderos and Politicos), Vol. XXXIII. Manila : The Historical Conservation Society, 1981.

Mallari, F. Ibalon Under Storm and Siege, Essays on Bicol History: 1565-1860. s.l. : Xavier University, 1990

Mallari, F. Vignettes of Bicol History. s.l. : New Day Publishers, 1999.