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2. The rural life problem of the United States: notes of an Irish observer
3. A history of birds
4. Soil fertility and permanent agriculture
5. The American rural school: its characteristics, its future and its problems
6. Farm friends and farm foes: a text-book of agricultural science
7. Iroquois uses of maize and other food plants
8. Diseases of economic plants
9. Swine in America: a text-book for the breeder, feeder & student
10. Wool-growing and the tariff: a study in the economic history of the United States /
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