Columbia subject headings:
Barrier-free design--Law and legislation--United States.
Mandates--United States.
People with disabilities--Employment--Law and legislation--United States.
People with disabilities--Employment--United States.
People with disabilities--Protection--United States.
People with disabilities--Services for--United States.
Harvard subject headings:
Barrier-free design--Government policy--United States.
Mandates--United States.
People with disabilities--Employment--United States
People with disabilities--Legal status, laws, etc.--United States
People with disabilities--Services for--United States
Princeton subject headings:
Barrier-free design--Government policy--United States.
Barrier-free design--Law and legislation--United States.
People with disabilities--Employment--Government policy--United States.
People with disabilities--Employment--Law and legislation--United States.