Oscar Wilde
Bram Stoker
Arthur Conan Doyle
Jack London
Robert Louis Stevenson
Friedrich Nietzsche
William James
Adam Smith
George Eliot
Various
Ralph Waldo Emerson
Robert S. Ball
Garrett P. Serviss
Thomas Henry Huxley
George Bernard Shaw and others
John Galsworthy
Michel de Montaigne
Francis Bacon
H. Beam Piper, John J. McGuire
Emma Goldman
Camille Flammarion