La industria cítrica de Florida /

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The National parks / by Tilden, Freeman

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The Great american forest / by Platt, Rutherford

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Conserving american resources / by Parson, Ruben L.

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Interregional competition in agriculture : with special reference to dairy farming in the Lake States and New England / by Mighell, Ronald L.

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Exploring agriculture / by Evans, Everett F.

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Introducción al análisis de economía agrícola / by Bishop, C. E.

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Private interests public policy, and american agriculture / by Browne, William P.

Subjects: “…ESTADOS UNIDOS 19313…”

Abastecimiento mundial y agricultura moderna / by Boerger, Alberto

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The arboretums and botanical gardens of North America / by Wyman, Donald

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Climate of Indiana / by Visher, Stephen S.

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Ecologie des essences forestières américaines : erosion et reboisement /

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The Story of agricultural economics in the United States, 1840-1932 : men, services, ideas / by Taylor, Henry C.

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Mapa alimentario de la República Argentina : estimación de la situación alimentaria de la población / by Cetrángolo, Hugo A.

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Atlas of the scale insects of North America / by Ferris, G. F.

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A New look at agricultural finance research : proceedings of workshop on agricultural finance research /

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Problemas de la producción agrícola y previsiones para el año 2000 en la explotación agrícola y la vida rural / by Clawson, Marion

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La agenda inconclusa : perspectivas para superar el hambre, la pobreza y la degradación ambiental /

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Fatal harvest : the tragedy of industrial agriculture /

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Soybeans in florida /

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