Celworm and insect post problems

Míreanna comhchosúla

• Present-day Knowledge concerning some insect poets of farm crops.
  de réir: Carroll, J.
  Foilsithe / Cruthaithe: (1945)
• Insect posts affecting food production.
  de réir: Carroll, J.
  Foilsithe / Cruthaithe: (1944)
• Insect posts affecting food production.
  de réir: Carroll, J.
• Abstract of lecture on the insect menace.
  de réir: Wilson, Gregg
  Foilsithe / Cruthaithe: (1933)
• The future of insect control - biological or chemical?
  de réir: O'Rourke, F. J.
  Foilsithe / Cruthaithe: (1957)