SF Encyclopedia Picture Gallery
Samuel Butler. Unconscious Memory: A Comparison between the Theory of Dr Ewald Hering and The "Philosophy of the Unconscious" of Dr Edwward Von Hartmann; With Translations from these Authors, and Preliminary chapters Bearing on "Life and Habit," "Evolution, Old and New," and Mr Charles Darwin's Edition of Dr Krause's "Erasmus Darwin" (London: David Bogue, 1880) [nonfiction: hb/nonpictorial]
Image courtesy of Clute Science Fiction Library at Telluride