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2. Vitamin K
3. The soils that support us: an introduction to the study of soils and their use by men
4. The scientific feeding of chickens
5. The market-milk industry
6. The Guernsey: a portrayal of the advancement of Guernsey cattle in America
7. The American agricultural press, 1819-1860
8. Soils and soil management
9. Soil mechanics: its principles and structural applications
10. Silos and silage
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