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000077338 010__ $$a70-075430
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000077338 035__ $$a(OCoLC)ocm00024086
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000077338 040__ $$aDLC$$cDLC$$dm.c.$$dISE
000077338 049__ $$aISEA
000077338 0500_ $$aS441$$b.D3
000077338 0820_ $$a530/.973
000077338 1001_ $$aDanhof, Clarence H.,$$d1911-
000077338 24510 $$aChange in agriculture;$$bthe northern United States, 1820-1870$$c[by] Clarence H. Danhof.
000077338 260__ $$aCambridge,$$bHarvard University Press,$$c1969.
000077338 300__ $$ax, 322 p.$$billus.$$c25 cm.
000077338 504__ $$aBibliography: p. 293-316.
000077338 650_0 $$aAgricultural innovations$$zUnited States$$xHistory.
000077338 650_0 $$aAgriculture$$zUnited States$$xHistory.
000077338 85200 $$bgen$$hS441$$i.D3
000077338 909CO $$ooai:library.usi.edu:77338$$pGLOBAL_SET
000077338 980__ $$aBIB
000077338 980__ $$aBOOK