Columbia subject headings:
Harvard subject headings:
Donation of organs, tissues, etc.--Law and legislation--United States.
Firearms--Taxation--Law and legislation--United States.
Hypodermic needles--Taxation--Law and legislation--United States.
Urban poor--Health and hygiene--United States.
Princeton subject headings:
Donation of organs, tissues, etc.--Law and legislation--United States.
Firearms--Taxation--Law and legislation--United States.
Hypodermic needles--Taxation--Law and legislation--United States.
Urban poor--Health and hygiene--United States.