Early potato-growing.

Míreanna comhchosúla

• Profitable potato growing.
  de réir: Davidson, W. D.
  Foilsithe / Cruthaithe: (1922)
• Potato growing for seed purposes.
  de réir: Davidson, W. D.
  Foilsithe / Cruthaithe: (1925)
• Potato growing for seed purposes.
  de réir: Davidson, W. D.
• Mistery of potatos varieties,
  de réir: Davidson, W. D.
  Foilsithe / Cruthaithe: (1935)
• Rainfall and seed potatoes.
  de réir: Davidson, W. D.
  Foilsithe / Cruthaithe: (1938)