 Bram Stoker (qv)s story "Draculas Guest" was written as a  chapter in his 1897 novel "Dracula," but excised due to the novels  length. It was first published in 1914, two years after Stokers  death. This movie was also loosely based on the 1872 short story  "Carmilla" by Sheridan Le Fanu (qv).