• This folder is from the WHCF category for Agriculture, subcategory Pest Control., File unit description: Material on animal and plant diseases and parasite eradication programs, such as screwworm, scrapie, grass-hoppers, brucellosis, cotton insects, dutch elm disease, rabies, mosquitoes, etc.; control of animal pests, such as…
  • This folder is from the WHCF category for Agriculture, subcategory Pest Control., File unit description: Material on animal and plant diseases and parasite eradication programs, such as screwworm, scrapie, grass-hoppers, brucellosis, cotton insects, dutch elm disease, rabies, mosquitoes, etc.; control of animal pests, such as…