Columbia subject headings:
Agricultural industries--United States--Congresses.
Farm produce--United States--Marketing--Congresses.
Food industry and trade--United States--Congresses.
Food--Marketing--Congresses.
Harvard subject headings:
Agricultural industries--United States
Agricultural industries--United States--Congresses.
Farm produce--United States--Marketing--Congresses.
Food industry and trade--United States
Food industry and trade--United States--Congresses.
Food--Marketing--Congresses.
Princeton subject headings:
Agricultural industries--United States--Congresses.
Farm produce--United States--Marketing--Congresses.
Food industry and trade--United States--Congresses.
Food--Marketing--Congresses.