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The nature of the damage done by the pink boll worm (Gelechia gossypiella, Saund.)
Note on the alkaloids of some Egyptian Solanaceæ
Forest Service career guide : professional opportunities in natural resource management, planning and research
First report on the economic features of turtles of Pennsylvania
Illustrated lecture on swine in the United States
Successful farming in Manitoba 100 farmers testify
Federal-grant research at the state agricultural experiment stations : projects in soils Part 21 Soil chemistry and microbiology
Land reform; occupying ownership, peasant proprietary, and rural education
Federal-grant research at the state agricultural experiment stations : projects on entomology and economic zoology Part 7 [Insecticides]
The drop size spectra method for estimating the mass median diameter of aerial sprays
