Columbia subject headings:
Historic sites--Canada--History.
National parks and reserves--Canada--History.
National parks and reserves--Government policy--Canada.
Harvard subject headings:
Historic sites--Canada
Historic sites--Government policy--Canada.
National parks and reserves--Canada--History.
National parks and reserves--Government policy--Canada.
Princeton subject headings:
Historic sites--Canada--History.
Historic sites--Government policy--Canada.
National parks and reserves--Canada--History.
National parks and reserves--Government policy--Canada.