Supplement to the antiquities of England and Wales (1777)
Grose, Francis · London: Printed for S. Hooper · leaf 296
ame of the Gap. Probably this caftle with the neighbouring fortifications ofturf, were made to prevent a like infult. Thirl WALL caftle, was anno 1333, 7 Edward III. the property of John deThirlwall. And in the loth of Elizabeth belonged to Robert de Thirl wall.The lafl: proprietor of that family… … N.EMeMo/Tynemou/A /yiory,]Vbrt/ium^erland.
Architecture
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