Columbia subject headings:
Business and politics--United States.
Campaign funds--United States.
Corporations--Political activity--United States.
Political action committees--United States.
Harvard subject headings:
Business and politics--United States
Campaign funds--United States
Corporations--Political activity--United States
Political action committees--United States.
Princeton subject headings:
Business and politics--United States.
Campaign funds--United States.
Corporations--Political activity--United States.
Political action committees--United States.