Columbia subject headings:
Anderson, Clinton Presba, 1895-1975.
Conservation of natural resources--Government policy--United States--History.
Conservation of natural resources--Law and legislation--United States--History.
Harvard subject headings:
Anderson, Clinton Presba, 1895-
Anderson, Clinton Presba, 1895-1975
Conservation of natural resources--Government policy--United States--History.
Conservation of natural resources--Law and legislation--United States--History.
Princeton subject headings:
Anderson, Clinton Presba, 1895-1975.
Conservation of natural resources--Government policy--United States--History.
Conservation of natural resources--Law and legislation--United States--History.