SUBJECT: AGRICULTURE
              Agri: General & Various Subjects
              Agri: Agricultural Science (biol, chem)
              Agri: Soils
              Agri: Manures, Fertilizers
              Agri: Irrigation,
              Drainage, Water, Erosion
              Agri: Crops, Vegetables
              Agri: Cotton
              Agri: Gardening
              & Horticulture
              Agri: Forests, Trees
 
              Agri: Fruits, Nuts
              Agri: Livestock,
              animal husbandry
              Agri: Dairy
              Agri: Fowl, Birds, Poultry
              Agri: Fish & Fisheries
              Agri: Diseases, Pests, Pathology
              Agri: Pesticides
              Agri: Genetics, Breeding, Reproduction
              Agri: Farm Management (practical)
              Agri: Equipment & Machinery, Engineering
              Agri: Economics aspects
              Agri: Marketing, Cooperatives
              Agri: Agriculture & Government
              Agri: Credit, Banking, Finance
              Agri: Land Tenure
              Agri: Land Tenure: England: Enclosures
              Agri: Land Tenure: Ireland
              Agri: Land Tenure: India
              Agri: Industrial Agriculture
              Agri: Food Chemistry, Science, Preservation
              Agri: Industrial Food & Food Industries
              Agri: Food Safety
              Agri: Food Adulteration
              Agri: Farm Life, Community, Social Aspects
              Agri: Grape-growing, Winemaking
              Agri: Bees & Bee-keeping (Apiculture)
              Agri: Agricultural Education
              Agri: Organic & Sustainable Ag (Soil, etc.)
              Agri: 1920s & 30s Agricultural Crises
              Agri: Physiology
              Agri: Tobacco
              Agri: Florida: agriculture