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Online Archive of California

A component of the California Digital Library, the OAC includes a single, searchable database of finding aids to primary sources and their digital facsimiles. Primary sources include letters, diaries, manuscripts, legal and financial records, photographs and other pictorial items, maps, architectural and engineering records, artwork, scientific logbooks, electronic records, sound recordings, oral histories artifacts and ephemera.

Books from the California State Library

Digitized publications available through Internet Archive.

California Genealogy Resources

Census, city directories, telephone directories, newspapers, specialized indexes and files, and much more.

California History Collections

The goal of the California History Section is to obtain every book concerning California history, along with a representative selection of newspapers and periodicals. Complementing these printed holdings is an array of other materials, including maps, letters, sheet music, postcards, photographs, posters, pamphlets, programs, and other ephemera.

California Library Directory

The information in the directories is drawn from annual reports submitted by California's public, academic, special, state agency and county law libraries. The public library files are updated monthly.

Discover Our Collections

Selected Guide to Sources for Genealogy in the California History Section