Hubbard, Leonard E.
The economics of Soviet agriculture
MacMillan, 1939
 Buku Teks
Gras, Norman Scott Brien
History of agriculture in Europe and America
F.S. Crofts, 1946
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Wilkes, Peter
An illustrated history of farming
Peter Wilkes, 1978
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Vasey, Daniel E.
An ecological history of agriculture: 10,000 B.C.-A.D. 10,1000
Iowa State University Press, 1992
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Agrarian condition in modern European history
edited by Charles K. Warner
Macmillan, 1966
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