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The spread of the cotton boll weevil in 1916
The spread of the cotton boll weevil in 1917
The rearing of queen bees
Some insects injurious to truck crops
Coordinated marketing programs of selected fruit and vegetable cooperatives
Reports of observations and experiments in the practical work of the Division
Cockroaches
Facts about : flue-cured tobacco grade standards
1969 report of egg production tests : United States and Canada
Audio-visuals relating to animal care, use, and welfare