In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Cwmbwrla like this:
CWMBURLA, a place 1½ mile from Swansea, in Glamorgan; with a post office under Swansea.
Additional information about this locality is available for Swansea
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 Cwmbwrla has changed, please see our redistricted information for the modern district of Swansea. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Cwmbwrla and units named after it.
GB Historical GIS / University of Portsmouth, History of Cwmbwrla, in Swansea and Glamorgan | Map and description, A Vision of Britain through Time.
Date accessed: 04th May 2016
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Cwmbwrla".