Columbia subject headings:
Agricultural geography--France.
Agriculture--Economic aspects--France--History--19th century.
Agriculture--France--History--19th century.
Harvard subject headings:
Agricultural geography--France.
Agriculture--Economic aspects--France--History--19th century.
Agriculture--France--History--19th century.
Princeton subject headings:
Agriculture--Economic aspects--France--Statistics.
Agriculture--France--History--19th century.
Agriculture--France--Statistics.
Statistics.