William Wordsworth, Adam Sedgwick (1842). “A complete guide to the Lakes, comprising minute directions for the tourist, with mr. Wordsworth's Description of the scenery of the country, &c. and Three letters upon the geology of the Lake district, by prof. Sedgwick”
Thomas Hobbes (1750). “The Moral and Political Works of Thomas Hobbes of Malmesbury: Never Before Collected Together : To which is Prefixed, the Author's Life, Extracted from that Said to be Written by Himself, ...”, p.12