On the probable age of flint implements found in gravel-beds.

Míreanna comhchosúla

• Flint implements found in the Co. Antrim.
  de réir: Benn, Edward
  Foilsithe / Cruthaithe: (1865)
• On the flint implements found in the gravel of St. Acheul, near Amiens, and their mode of occurrence.
  de réir: Jukes, J. Beete
  Foilsithe / Cruthaithe: (1861)
• Specimens of flint implements, found at Toome, Co. Antrim
  de réir: Day, Robert
  Foilsithe / Cruthaithe: (1865)
• Manufacture of flint implements.
  de réir: Coffey, George
  Foilsithe / Cruthaithe: (1908)
• On flint implements found at Ballymisert, Co. Down.
  de réir: Patterson, W. H.
  Foilsithe / Cruthaithe: (1880)