Columbia subject headings:
New Zealand--Emigration and immigration--History.
Scotland--Emigration and immigration--History.
Scots--New Zealand--History.
Harvard subject headings:
New Zealand--Emigration and immigration--History.
Scotland--Emigration and immigration--History.
Scots--New Zealand--History.
Princeton subject headings:
New Zealand--Emigration and immigration--History.
Scotland--Emigration and immigration--History.
Scots--New Zealand--History.