Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Greece--Pigi (Konistsa)
Pigi (Konista, Greece)--Economic conditions.
Pigi (Konista, Greece)--Rural conditions.
Sociology, Rural--Greece--Pigi (Konitsa)
Subsistence farming--Greece--Pigi (Konitsa)
Princeton subject headings:
Agriculture--Greece--Social economy.
Farms, Small--Economic conditons--Greece.
Forests and forestry--Greece--History.
Konitsa (Greece)--Economic conditions.