An Inventory of the Historical Monuments in Herefordshire, Volume 1, South west. Originally published by His Majesty's Stationery Office, London, 1931.
This free content was digitised by double rekeying. All rights reserved.
'Plate 177: Longtown Castle', in An Inventory of the Historical Monuments in Herefordshire, Volume 1, South west( London, 1931), British History Online https://www.british-history.ac.uk/rchme/heref/vol1/plate-177 [accessed 12 January 2025].
'Plate 177: Longtown Castle', in An Inventory of the Historical Monuments in Herefordshire, Volume 1, South west( London, 1931), British History Online, accessed January 12, 2025, https://www.british-history.ac.uk/rchme/heref/vol1/plate-177.
"Plate 177: Longtown Castle". An Inventory of the Historical Monuments in Herefordshire, Volume 1, South west. (London, 1931), , British History Online. Web. 12 January 2025. https://www.british-history.ac.uk/rchme/heref/vol1/plate-177.