Columbia subject headings:
Cities and towns--Middle West--History--19th century.
Land settlement--Middle West--History--19th century.
Urbanization--Middle West--History--19th century.
Harvard subject headings:
Cities and towns--Middle West--History--19th century.
Land settlement--Middle West--History--19th century.
Urbanization--Middle West--History--19th century.
Princeton subject headings:
Cities and towns--Middle West--History--19th century.
Land settlement--Middle West--History--19th century.
Urbanization--Middle West--History--19th century.