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1. A digest of the literature of derris (deguelia) species used as insecticides, 1747-1931 (id:CAT87205491)

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2. Insect enemies of the flower garden (id:ORC00000434)

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3. Control of aphids injurious to orchard fruits, currant, gooseberry and grape (id:ORC00000332)

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4. Insect powder (id:CAT87212456)

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5. Spraying for the control of insects and mites attacking citrus trees in Florida (id:ORC00000373)

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6. The asparagus beetles and their control (id:ORC00000268)