Going through Ardnacrusha (PDF), Inland Waterways News. Inland Waterways Association of Ireland (Summer 2001 – Volume 28 Number 2). Arkivert fra originalen (PDF) den 4. mars 2016.
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Joyce, P.W. (1900): «Cavan», Atlas and Cyclopedia of Ireland. Murphy & McCarthy.
«Facts», Ordnance Survey Ireland. Arkivert fra originalen den 11. september 2014.
Going through Ardnacrusha (PDF), Inland Waterways News. Inland Waterways Association of Ireland (Summer 2001 – Volume 28 Number 2). Arkivert fra originalen (PDF) den 4. mars 2016.
Chisholm, Hugh, red. (1911): «Shannon», Encyclopædia Britannica. Bind 24 (11. utg.). Cambridge University Press; s. 819–820, se side 819, linje to «...with a length of about 240 m....»