In 1887, John Bartholomew's Gazetteer of the British Isles described Dunster like this:
Dunster, market town and par. with ry. sta., W. Somerset, 5 miles W. of Watchet, 3455 ac. (585 water), pop. 1126; P.O., T.O., 1 Bank. Market-day, Friday. In vicinity is Dunster Castle, built in the 16th century, on the site of an older work of the 11th century; 1 mile S. is Dunster Park.
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 Dunster has changed, please see our redistricted information for the modern district of West Somerset. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Dunster and units named after it.
GB Historical GIS / University of Portsmouth, History of Dunster in West Somerset | Map and description, A Vision of Britain through Time.
Date accessed: 30th July 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 "Dunster".