Was Lord Byron England’s 1st Vampire? John Polidori & the Birth of the Literary Bloodsucker
https://www.davidcastleton.net/byron-polidori-vampire-villa-diodati-vampyre/
This extensive essay offers a comprehensive treatment of John Polidori's life, his relationship with Lord Byron, and how both factored into the genesis of his most famous story, The Vampyre.
The Vampyre - Unofficial Website
http://www.public.asu.edu/~cajsa/thevampyre1816/index.htm
On this website, one can find an annotated version of John Polidori's classic vampire story, as well as an audiobook version, a scholarly bibliography, and several historical and biographical materials relating to Polidori's...