Survey of Inishtrahull part 2 (by light-keeper D. J. Sullivan). Glacial erratics from Inishtrahull, by J. K. Charlesworth.

Míreanna comhchosúla

• Boulders and erratic blocks-whence derived.
  de réir: Hughes, William
  Foilsithe / Cruthaithe: (1886)
• Abstract of address on Dalradian rocks: their geology and scenery.
  de réir: Hartley, J. J.
  Foilsithe / Cruthaithe: (1939)
• Further notes on the permotriassic rocks of Northern Ireland. Illustr.
  de réir: Hartley, J. J.
  Foilsithe / Cruthaithe: (1949)
• Review of The interbasaltic rocks (iron ores and bauxites) of North-East Ireland, by G. A. J. Cole, S. B. Wilkinson, A. M'Moss, and W. D. Haigh.
  de réir: D., A. R.
  Foilsithe / Cruthaithe: (1913)
• Granite rocks of Donegal.
  Foilsithe / Cruthaithe: (1861)