Fyodor Dostoevsky, Jane Austen, Lewis Carroll, Charlotte Perkins Gilman, Sir Arthur Conan Doyle (2014). “The 10 Greatest Books of All Time”, p.49, Google Publishing
Sir Humphry Davy (1858). “Fragmentary remains, literary and scientific, of Sir Humphry, Davy, bart., late president of the Royal society, etc: with a sketch of his life and selections from his correspondence”, p.53