Published written material where the Play, the King, the The Yellow Sign or Carcosa play an important part. Contents of collections are listed on their main pages. * 'An Inhabitant of Carcosa', and 'Haita the Shepherd' by Ambrose Bierce were the very first stories in the evolving Hastur Mythos. They first appeared together in Bierce's collection Tales of Soldiers and Civilians, and then again in Can Such Things Be?. * The King In Yellow, 1895 collection of short stories by Robert W. Chambers, in which he took names from Bierce's two tales and used them to hint at a broader mythos. This collection defines much of the fiction. * 'The Whisperer in Darkness' by H.P. Lovecraft brought the concept of Hastur into The Cthulhu Mythos. * 'The Return of Hastur' by August Derleth did muc