Columbia subject headings:
Business and politics--United States.
Labor unions--Political activity--United States.
Metropolitan government--United States.
Municipal government--United States.
Urban policy--United States.
Harvard subject headings:
Business and politics--United States
Labor unions--United States--Political activity.
Metropolitan government--United States.
Municipal government--United States
Urban policy--United States
Princeton subject headings:
Business and politics--United States.
Labor unions--United States--Political activity.
Metropolitan government--United States.
Municipal government--United States.
Urban policy--United States.