Columbia subject headings:
Agricultural colonies--India--Punjab--History.
Agriculture--Economic aspects--India--Punjab--History.
Elite (Social sciences)--India--Punjab--History.
Irrigation farming--India--Punjab--History.
Land settlement--India--Punjab--History.
Harvard subject headings:
Agricultural colonies--India--Punjab--History.
Agriculture--Economic aspects--India--Punjab--History.
Elite (Social sciences)--India--Punjab--History.
Irrigation farming--India--Punjab--History.
Land settlement--India--Punjab--History.
Princeton subject headings:
Agricultural colonies--India--Punjab--History.
Agriculture--Economic aspects--India--Punjab--History.
Elite (Social sciences)--India--Punjab--History.
Irrigation farming--India--Punjab--History.
Land settlement--India--Punjab--History.