La Lune, 1969 oil on wood painting by Hector Ayala, also known as Aquelarre or Witches Gathering (via Le Mort Joyeux)
Silent Sundays: Harpy (1582)
Harpy, from a set of 127 woodcuts by Melchior Lorck, 1582 (via Paysage Mauvais).
Silent Sundays: The Dance of Death (1493)
The Dance of Death illustration by Michael Wolgemut for The Nuremberg Chronicle (Liber Chronicarum) by Hartmann Schedel, 1493.