Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Ontario--Niagara Peninsula--History--Congresses.
Farm life--Ontario--Niagara Peninsula--History--Congresses.
Niagara Peninsula (Ont.)--Economic conditions--Congresses.
Niagara Peninsula (Ont.)--Social conditions--Congresses.
Princeton subject headings:
Agriculture--Ontario--Niagara Peninsula--Congresses.
Farm life--Ontario--Niagara Peninsula--Congresses.