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Quality of apples for household use; histological, chemical and palatability studies
How teachers may use Farmers' Bulletin 876 making butter on the farm
Floral abnormalities in maize
Publications of the Bureau of Plant Industry
The water hyacinth, and its relation to navigation in Florida
A national lumber and forest policy
Bird day in the schools
Soils of the United States and their use-- VII. The Hagerstown loam
Manganese as a fertilizer