Columbia subject headings:
Agriculture--Economic aspects--United States--Congresses.
Farm produce--Marketing--Congresses.
Food industry and trade--United States--Congresses.
Food--Marketing--Congresses.
Produce trade--United States--Congresses.
Harvard subject headings:
Agriculture--Economic aspects--United States
Farm produce--Marketing
Food industry and trade--United States
Food--Marketing
Produce trade--United States
Princeton subject headings:
Agriculture--Economic aspects--United States--Congresses.
Farm produce--Marketing--Congresses.
Food industry and trade--United States--Congresses.
Food--Marketing--Congresses.
Produce trade--United States--Congresses.