Columbia subject headings:
Agricultural innovations--France--History--19th century.
Agriculture--France--History--19th century.
Agriculturists--France--Biography.
Mathieu de Dombasle, C. J. A. (Christophe Joseph Alexandre), 1777-1843.
Plowing--France--History.
Plows--France--History.
Harvard subject headings:
Princeton subject headings:
Agricultural innovations--France--History--19th century.
Agriculture--France--History--19th century.
Agriculturists--France--Biography.
Mathieu de Dombasle, C. J. A. (Christophe Joseph Alexandre), 1777-1843.
Plowing--France--History.
Plows--France--History.