Columbia subject headings:
Los Angeles County (Calif.)--History.
Los Angeles County (Calif.)--Politics and government.
Harvard subject headings:
County government--California--Los Angeles County--History--20th century.
Democracy--California--Los Angeles County--History--20th century.
Ford, John Anson.
Liberalism--California--Los Angeles County--History--20th century.
Los Angeles County (Calif.)--History--20th century.
Los Angeles County (Calif.)--History.
Los Angeles County (Calif.)--Officials and employees--Biography.
Los Angeles County (Calif.)--Politics and government--20th century.
Los Angeles County (Calif.)--Politics and government.
Los Angeles County (Calif.)--Social conditions--20th century.
Progressivism (United States politics)--History--20th century
Social change--California--Los Angeles County--History--20th century.
Princeton subject headings:
Los Angeles County (Calif.)--History.
Los Angeles County (Calif.)--Politics and government.