Columbia subject headings:
Birlings--History.
Galleons--Scotland--Highlands--History.
Hebrides (Scotland)--History.
Highlands (Scotland)--History.
Navigation--Scotland--Hebrides.
Ships, Medieval--Scotland--Hebrides.
Harvard subject headings:
Galleons--Scotland--Highlands--History.
Hebrides (Scotland)--History.
Highlands (Scotland)--History.
Navigation--Scotland--Hebrides.
Ships, Medieval--Scotland--Hebrides.
Princeton subject headings:
Birlings--Scotland--History.