Philippines (Republic). United Nations Educational, Scientific and Cultural Organization National Commission, & National Exhibition of Filipino Pre-history and Culture. (1959). The Philippines in pre-historic times: A handbook for the first National Exhibition of Filipino Pre-history and Culture. s.n.].

Philippines (Republic). United Nations Educational, Scientific and Cultural Organization National Commission, and National Exhibition of Filipino Pre-history and Culture. The Philippines in Pre-historic Times: A Handbook for the First National Exhibition of Filipino Pre-history and Culture. [Manila: s.n.], 1959.

Philippines (Republic). United Nations Educational, Scientific and Cultural Organization National Commission, and National Exhibition of Filipino Pre-history and Culture. The Philippines in Pre-historic Times: A Handbook for the First National Exhibition of Filipino Pre-history and Culture. s.n.], 1959.