Here are two useful articles on the history of the Filipino Fighting Arts. They are offered purely for eductational purposes and their content is still the copyright of their respective owners.
Eskrima: Cebu's Power Sport- A Historical Perspective on the Filipino Martial Arts
History : 20th-Century Arnis, The Reemergence of a Warrior's Art By Mark V. Wiley
While these two articles are excellent background material on the history of Filipino martial arts, and I thank the authors, I assume no responsibility for the historical accuracy of their contents.
Jay de Leon"