Punongbayan, Raymundo S. The Philippine archipelago/ Raymundo S. Punongbayan, Prescillano M. Zamora, Perry S. Ong - s.l. : Asia Publishing Company Limited, 1998. - 303 pages : col. ill. ; 29 cm. - Kasaysayan : the story of the Filipino people Volume one . ISBN: 9622582249 HB Subjects--Topical Terms: Archipelago--Philippines LC Class. No.: DS 655 P86 1998 v.1 REF/F