Columbia subject headings:
Land settlement patterns--North America.
Land settlement patterns--South America.
North America--Colonization.
North America--History--Colonial period, ca. 1600-1775.
South America--Colonization.
South America--History--To 1806.
Harvard subject headings:
Europe--Colonies--History.
Land settlement patterns--History.
Land settlement--History.
Princeton subject headings:
Europe--Colonies--History.
Land settlement patterns--History.
Land settlement--History.