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Fifteenth census of the United States: 1930. Census of agriculture. The Negro farmer in the United States
Infectiousness of milk; : result of investigations made for the trustees of the Massachusetts society for promoting agriculture
110 years of biological control research and development in the United States Department of Agriculture : 1883-1993
Agricultural training courses for employed teachers : with a suggested reading course in agriculture based on Farmers' bulletins
Ireland, agriculture and the war; an open letter to Irish farmer by the editor of the "Irish homestead."
Agriculture and the land, with some account of building societies, garden cities, our water supply and internal communication
Evidence of Dr. J.G. Rutherford, Veterinary Director General, before the Select Standing Committee on Agriculture and Colonization, 1906
General view of the agriculture of the county of Fife: : with observations on the means of its improvement
Principles of plant culture; an elementary treatise designed as a text-book for beginners in agriculture and horticulture
Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany
