Columbia subject headings:
Professional ethics--United States--Case studies.
Public interest--United States--Case studies.
San Francisco Bay Area Rapid Transit District (Calif.)
Harvard subject headings:
Professional ethics--United States--Case studies.
Public interest--United States--Case studies.
San Francisco Bay Area Rapid Transit District (Calif.)
Princeton subject headings:
Professional ethics--United States--Case studies.
Public interest--United States--Case studies.
San Francisco Bay Area Rapid Transit District.