Columbia subject headings:
Export controls--United States.
Forestry law and legislation--United States.
Lumber trade--Law and legislation--United States.
Harvard subject headings:
Export controls--United States.
Forestry law and legislation--United States.
Lumber trade--Law and legislation--United States.
Princeton subject headings:
Export controls--United States.
Forestry law and legislation--United States.
Lumber trade--Law and legislation--United States.