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Don't help hitchhiking bugs
4-H horse program : a guide for club leaders
Wartime canning of fruits, vegetables
The work of the agricultural experiment stations on tobacco
Cooperative bull associations
Quarantines prevent the spread of plant pests
The production of cigar-leaf tobacco in Pennsylvania
Type classification of American-grown tobacco
Biological control of Cannabis sativa : a summary of the project
How cigar-tobacco production is being controlled in Connecticut