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Rooting habits of selected commercial tree species of the eastern United States : a bibliography
The insulating value of commercial double-walled beehives
The commercial storage of fruits, vegetables, and florists' stocks
Preservation of fruits and vegetables by commercial dehydration
Varieties of fruit recommended [for commercial planting
Breeding and selection of commercial poultry ...
Care and marketing of eggs
The resources of California, comprising the society, climate, salubrity, scenery, commerce and industry of the state