Columbia subject headings:
United States--Appropriations and expenditures, 2000.
United States. Department of Agriculture--Appropriations and expenditures.
Harvard subject headings:
United States--Appropriations and expenditures, 2000.
United States. Department of Agriculture--Appropriations and expenditures.
Princeton subject headings:
United States--Appropriations and expenditures, 2000.
United States. Department of Agriculture--Appropriations and expenditures.