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United States. Bureau of Entomology and Plant Quarantine

Control of the gladiolus thrips in the field and storage house
Control of the gladiolus thrips in the field and storage house
United States. Bureau of Entomology and Plant Quarantine
Control of the boll weevil on sea island cotton
Control of the boll weevil on sea island cotton
United States. Bureau of Entomology and Plant Quarantine
Codling moth control program for 1935
Codling moth control program for 1935
United States. Bureau of Entomology and Plant Quarantine
Chinch Bug Conference
Chinch Bug Conference
United States. Bureau of Entomology and Plant Quarantine
Pink bollworm [development and control]
Pink bollworm [development and control]
United States. Bureau of Entomology and Plant Quarantine
The red harvester ant -----
The red harvester ant -----
United States. Bureau of Entomology and Plant Quarantine
A list of organic sulphur compounds (exclusive of mothproofing materials) used as insecticides
A list of organic sulphur compounds (exclusive of mothproofing materials) used as insecticides
United States. Bureau of Entomology and Plant Quarantine