Project Gutenberg: Frankenstein
Literature.org: Frankenstein
MIT Press: Frankenstein: Annotated for Scientists, Engineers, and Creators of All Kinds
Librivox Audio Editions of Frankenstein
Biography: Mary Shelley
Book Riot: 8 Fun Facts About Mary Shelley Just In Time For The Spooky Season
JSTOR Daily: Mary Shelley
JSTOR Daily: Mary Shelley's Obsession with the Cemetary
Literary Hub: Mary Shelley
NPR: Book News: Cache Of Letters From 'Frankenstein' Author Found
The Guardian: Frankenstein at 200 - why hasn't Mary Shelley been given the respect she deserves?
Shelley-Godwin Archive
Shelley, M. W. "Frankenstein, Volume II", in The Shelley-Godwin Archive, MS. Abinger c. 57, 54r. Retrieved from http://shelleygodwinarchive.org/sc/oxford/frankenstein/volume/ii/#/p112/mode/std