Columbia subject headings:
Historic sites--Law and legislation--United States.
Land titles--Registration and transfer--United States.
National parks and reserves--Law and legislation--United States.
Harvard subject headings:
Historic sites--Law and legislation--United States
Land titles--Registration and transfer--United States.
National parks and reserves--Law and legislation--United States
Princeton subject headings:
Historic sites--Law and legislation--United States.
Land titles--Registration and transfer--United States.
National parks and reserves--Law and legislation--United States.