John R. Walton

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Books by John R. Walton (50 max)

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A Handbook of Pig Diseases

1987

John R. Walton

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Aspects of agrarian change in Oxfordshire, 1750-1880

1977

John R. Walton

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Mechanization in agriculture: a study of the adoption process.

1979

John R. Walton

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Manual de las enfermedades del cerdo

1989

John R. Walton, Pedro Ducar Maluenda