1. Henry Fuseli, The Nightmare, 1781, oil on canvas, 101 x 127 cm, Detroit Institute of Arts. Source
2. Henry Fuseli, The Nightmare, 1790-91, oil on canvas, 77 x 64 cm, Goethe-Museum, Frankfurt. Source
The earlier, and more famous, version of The Nightmare was exhibited at the Royal Academy in 1782. It became an iconic piece of Gothic-inspired painting, and Fuseli went on to paint several similar compositions, including the Goethe-Museum version above.