Columbia subject headings:
Salt--Antiquities.
Salt--Mediterranean Region--History--To 1500.
Salt--Religious aspects--To 1500.
Salt--Rome--History--To 1500.
Harvard subject headings:
Salt--Antiquities.
Salt--Mediterranean Region--History--To 1500.
Salt--Religious aspects--To 1500.
Salt--Rome--History--To 1500.
Princeton subject headings:
Salt mines and mining--Europe--History--To 1500.
Salt--Antiquities.
Salt--Greece.
Salt--Mediterranean Region--History--To 1500.
Salt--Mythology.
Salt--Religious aspects--To 1500.
Salt--Religious aspects.
Salt--Rome--History--To 1500.
Salt--Rome.
Salt--Social aspects--Greece.
Salt--Social aspects--Rome.