In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Tal Y Bont like this:
TALYBONT, a hamlet in the NW of Cardigan; 7 miles NW by N of Aberystwith. It has a post-office, under Glandovey.
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 Tal Y Bont has changed, please see our redistricted information for the modern district of Ceredigion. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Tal Y Bont and units named after it.
GB Historical GIS / University of Portsmouth, History of Tal Y Bont, in Ceredigion and Cardiganshire | Map and description, A Vision of Britain through Time.
Date accessed: 28th July 2014
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Tal Y Bont".