Columbia subject headings:
San Francisco (Calif.)--Politics and government.
San Francisco (Calif.)--Statistics.
San Mateo County (Calif.)--Politics and government.
San Mateo County (Calif.)--Statistics.
Harvard subject headings:
San Francisco (Calif.)--Politics and government.
San Francisco (Calif.)--Statistics.
San Mateo County (Calif.)--Politics and government.
San Mateo County (Calif.)--Statistics.
Princeton subject headings: