Columbia subject headings:
Archives--California--Directories.
California--Historiography.
California--History--Sources--Bibliography.
Historical libraries--California--Directories.
Harvard subject headings:
Archives--California--Directories.
California--Historiography.
California--History--Sources--Bibliography.
Historical libraries--California--Directories.
Princeton subject headings:
Archives--California--Directories.
California--Historiography.
California--History--Sources--Bibliography.
Historical libraries--California--Directories.