In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Tresco like this:
TRESCOE, one of the Scilly Islands; 2 miles NW of St. Mary's. It is next in size to St. Mary's; contains a village, called Dolphin; contains also the residence of the proprietor of the islands, on the site of an abbey, founded in the 10th century, and annexed in the time of Henry I. to Tavistock abbey; contains likewise ruins of two fortalices, called Charles' Castle and Oliver Cromwell's Castle: has, at its NE point, a cavern at least 600 feet long, called Piper's Hole; ranks as a chapelry united with Bryher, and annexed to St. ...
Mary's; and retains walls and arches of the ancient abbey church. Pop., 399. Houses, 91.
GB Historical GIS / University of Portsmouth, History of Tresco, in Isles of Scilly and Cornwall | Map and description, A Vision of Britain through Time.
Date accessed: 30th March 2017
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