In 1887, John Bartholomew's Gazetteer of the British Isles described Tregeiriog like this:
Tregeiriog, 7 m. from Llangollen, Denbighshire; P.O.
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Tregeiriog has changed, please see our redistricted information for the modern district of Wrexham. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Tregeiriog and units named after it.
GB Historical GIS / University of Portsmouth, History of Tregeiriog, in Wrexham and Denbighshire | Map and description, A Vision of Britain through Time.
Date accessed: 22nd May 2013
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