Columbia subject headings:
Campaign funds--Law and legislation--United States.
Freedom of speech--United States.
Political campaigns--Law and legislation--United States.
Harvard subject headings:
Campaign funds--Law and legislation--United States
Freedom of speech--United States
Political campaigns--Law and legislation--United States.
Princeton subject headings:
Campaign funds--Law and legislation--United States.
Freedom of speech--United States.
Political campaigns--Law and legislation--United States.