Author :
Danhof, Clarence H., 1911-
Title :
Change in agriculture
Author Statement :
[by] Clarence H. Danhof
Publication :
Harvard University Press
Collation :
x, 322 p.: illus., 25 cm
Subject :
Agriculture -- United States -- History,Agricultural innovations -- United States -- History
Holding Info. :
0674107705
SubTitle :
: the northern United States, 1820-1870
Biblography :
Bibliography: p. 293-316.
