Columbia subject headings:
California--History--1846-1850.
California--History--1850-1950.
California--Politics and government--1846-1850.
California--Politics and government--1850-1950.
Harvard subject headings:
California--History--1846-1850.
California--History--1850-1950.
California--Politics and government.
Princeton subject headings:
California--History--1846-1850.
California--History--1850-1950.
California--Politics and government--1846-1850.
California--Politics and government--1850-1950.