Illustration from
The Dark Blue.
Carmilla is a Gothic novella by Joseph Sheridan Le Fanu. First published in 1872, it tells the story of a young woman's susceptibility to the attentions of a female vampire named Carmilla.
Carmilla predates Bram Stoker's
Dracula by 25 years, and has been adapted many times for cinema.
Carmilla was first published in the magazine
The Dark Blue in 1872, and then in the author's collection of short stories,
In a Glass Darkly the same year.
Source