1. Agoncillo, Theodoro. History of the Filipino People. Garotech Publishing, Quezon City, 1990.

2. Davis, Paul. Encyclopedia of Invasions and Conquests. W. W. Norton & Co.: New York, 1996.

3. Eggenberger, David. An Encyclopedia of Battles: Accounts of Over 1,560 Battles from 1479 B.C. to the Present. Dover Publications Inc., New York, 1985.