Columbia subject headings:
Campaign funds--United States.
Political action committees--United States.
United States. Congress--Elections.
United States. Congress--Leadership.
Harvard subject headings:
Campaign funds--United States
Political action committees--United States.
United States. Congress--Elections.
United States. Congress--Leadership.
Princeton subject headings:
Campaign funds--United States.
Political action committees--United States.
United States. Congress--Elections.
United States. Congress--Leadership.