The purpose of the Placentia History Collection is the acquisition, organization, and preservation of both primary and secondary materials relevant to the history of Placentia and its vicinity. As a resource center for the people of Placentia, this collection includes both historical and current information concerning the cultural, geographic, agricultural, economic, social, and political development of the Placentia area.
The Placentia Library's digital collection at California Revealed consists of texts from the 1970s to 1990s. The collection includes an extensive run of issues of the Placentia News-Times.
