 Arthur Conan Doyle has John give some negus to his sister Esther to quiet her in chapter 5 of "The Mystery of Cloomber", and in "A Death in the Small Hours" by Charles Finch, the character Frederick Ponsonby claims that a glass of hot negus "settles the stomach wonderfully".In William Makepeace Thackeray's "Vanity Fair", Ensign Stubble "never took his eyes off her except when the negus came in".In his "Confessions of an English Opium-Eater", Thomas De Quincey relates that he usually took his laudanum infused in a glass of negus.