Burrow, James. R. v Cowle, 1759. Reports of Cases adjudged in the Court of King's Bench, Volume 2. London: Worrall and Tovey. 1776: 834 [8 January 2023].
british-history.ac.uk
Willis-Bund, J W; Page, William (编). The city of Worcester: Introduction and borough. A History of the County of Worcester: Volume 4. London: British History Online. 1924: 376–390 [20 May 2018].
Newcastle upon Tyne. Shrievalties. National Association of City & Town Sheriffs of England & Wales. [16 April 2020]. (原始内容存档于2020-08-14).
nls.uk
maps.nls.uk
1:10,000 map SE82SE, 1971. National Library of Scotland. Ordnance Survey. [24 March 2024]. Note the distinction in the key and on the map between the boundaries of geographical counties and the administrative counties.