Kirkby Lonsdale Bridge, fom Pennant's Tour to Alston Moor, 1801
Ruscelli 1575
Blaeu, 1639
Extract from Mercator's Map of Cumberland, Westmorland and Lancashire, 1595
The Countess Pillar, Brougham
Aqua-tints and engravings from Thomas West's "A Guide to the Lakes in Cumberland, Westmorland and Lancashire", 6th edn, 1796