An Inventory of the Historical Monuments in City of York, Volume 2, the Defences. Originally published by Her Majesty's Stationery Office, London, 1972.
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'Map of the Defences', in An Inventory of the Historical Monuments in City of York, Volume 2, the Defences( London, 1972), British History Online https://www.british-history.ac.uk/rchme/york/vol2/plate-56a [accessed 24 January 2025].
'Map of the Defences', in An Inventory of the Historical Monuments in City of York, Volume 2, the Defences( London, 1972), British History Online, accessed January 24, 2025, https://www.british-history.ac.uk/rchme/york/vol2/plate-56a.
"Map of the Defences". An Inventory of the Historical Monuments in City of York, Volume 2, the Defences. (London, 1972), , British History Online. Web. 24 January 2025. https://www.british-history.ac.uk/rchme/york/vol2/plate-56a.
Map of the Defences
Defences of York