Columbia subject headings:
Agriculture and state--Scotland--Highlands.
Crofters--Scotland.
Highlands (Scotland)--Economic conditions.
Harvard subject headings:
Agriculture and state--Scotland--Highlands.
Crofters--Scotland.
Highlands (Scotland)--Economic conditions.
Princeton subject headings:
Crofters--Scotland--Hebrides.
Crofters--Scotland--Highlands.
Ecology--Scotland--Hebrides.
Ecology--Scotland--Highlands.
Hebrides (Scotland)--Rural conditions.
Highlands (Scotland)--Rural conditions.