When was the story by Lovecraft that the Xothic legend cycle is based on first published?
The Call of Cthulhu "The Call of Cthulhu" is a short story by the American writer H. P. Lovecraft. Written in the summer of 1926, it was first published in the pulp magazine "Weird Tales", in February 1928.
In the Vault "In the Vault' is a short story by American horror fiction writer H. P. Lovecraft, written on September 18, 1925 and first published in the November 1925 issue of the amateur press journal "Tryout".