Columbia subject headings:
Agriculture--Economic aspects--Scotland--Shetland--History.
Land use--Scotland--Shetland--History.
Landscapes--Scotland--Shetland--History.
Shetland (Scotland)--Economic conditions.
Harvard subject headings:
Agriculture--Economic aspects--Scotland--Shetland--History.
Land use--Scotland--Shetland--History.
Landscapes--Scotland--Shetland--History.
Shetland (Scotland)--Economic conditions.
Princeton subject headings:
Agriculture--Scotland--Shetland--History.
Land reform--Scotland--Shetland--History.
Shetland (Scotland)--Historical geography.