The Historical Dictionary of the Philippines, Third Edition contains a chronology, an introductory essay, an extensive bibliography, and several hundred cross-referenced dictionary entries.

Over 5,000 entries arranged in four parts. Part I comprises reference and general works to provide a guide to information on Southeast Asia. Part II provides the setting of space and time. Part III features the people and Part IV the many facets of culture and society — language; ideas, beliefs, values; institutions; creative expression; and social and cultural change. Within each section, the arrangement is geographical, beginning with Southeast Asia as a whole followed by the various countries in alphabetical order.