"'Das Märchen' ('The Fairy Tale of the Green Snake and the Beautiful Lily')". Story by Johann Wolfgang von Goethe, 1795. Translated by Thomas Carlyle, 1832, wn.rsarchive.org.
Johann Wolfgang von Goethe (1989). “Conversations of German Refugees ; Wilhelm Meister's Journeyman Years, Or, The Renunciants”, p.111, Princeton University Press