Change in Agriculture :
Danhof, Clarence H.
Change in Agriculture : the Northern United States, 1820-1870 / Clarence H. Danhof. - Cambridge, Mass. : Harvard University Press, c1969. - xii, 322p.
674107705
Changes in Agriculture.
Change in Agriculture : the Northern United States, 1820-1870 / Clarence H. Danhof. - Cambridge, Mass. : Harvard University Press, c1969. - xii, 322p.
674107705
Changes in Agriculture.