Whereby we thrive : a history of American farming, 1607 to 1972 /

by Schlebecker, John T.
Ames : Iowa State University Press, 1975
First edition.

Living historical farms handbook /

by Schlebecker, John T., Peterson, Gale E., 1944-
Washington : Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972