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John Hudson (of Kendal.), William Wordsworth, Adam Sedgwick (1846). “A Complete Guide to the Lakes: Comprising Minute Directions for the Tourist with Mr. Wordsworth's Description of the Scenery of the Country, &c., ...”, p.168
Edgar Mitchell (2009). “The Way of the Explorer: An Apollo Astronaut's Journey Through the Material and Mystical Worlds: Easyread Large Bold Edition”, p.454, ReadHowYouWant.com