Columbia subject headings:
Agriculture--Economic aspects--Congresses.
Economic anthropology--Congresses.
Households--Economic aspects--Congresses.
Subsistence economy--Congresses.
Harvard subject headings:
Agriculture--Economic aspects--Congresses
Economic anthropology--Congresses.
Households--Economic aspects--Congresses.
Subsistence economy--Congresses.
Princeton subject headings:
Agriculture--Economic aspects--Congresses.
Economic anthropology--Congresses.
Households--Economic aspects--Congresses.
Subsistence economy--Congresses.