Columbia subject headings:
Income tax--Law and legislation--United States.
Tax evasion--United States--Prevention.
Tax return preparation industry--Corrupt practices--United States.
Tax returns--United States.
Harvard subject headings:
Income tax--Law and legislation--United States.
Tax evasion--United States--Prevention.
Tax return preparation industry--Corrupt practices--United States.
Tax returns--United States.
Princeton subject headings:
Income tax--Law and legislation--United States.
Tax evasion--United States--Prevention.
Tax return preparation industry--Corrupt practices--United States.
Tax returns--United States.