Agriculture and energy : proceedings of a conference held at Washington University, St. Louis, Missouri, June 17-19, 1976 /

Publicerad 1977

The Dust Bowl : an agricultural and social history /

av Hurt, R. Douglas
Publicerad 1981

The emergence of agricultural science : Justus Liebig and the Americans, 1840-1880.

av Rossiter, Margaret W.
Publicerad 1975

Exotic pests and diseases : biology and economics for biosecurity /

Publicerad 2003

Genetic engineering of plants : agricultural research opportunities and policy concerns /

Publicerad 1984

Handbook of agricultural charts, 1974.

Publicerad 1974

History of agriculture in the northern United States, 1620-1860 /

av Bidwell, Percy Wells, 1888-
Publicerad 1925

New roots for agriculture /

av Jackson, Wes
Publicerad 1980

The politics of agricultural research /

av Hadwiger, Don F.
Publicerad 1982

Southern agriculture during the Civil War era, 1860-1880 /

av Otto, John Solomon
Publicerad 1994

The troubled farmer, 1850-1900 : rural adjustment to industrialism /

av Hayter, Earl W.
Publicerad 1968