Before revision: Influential British turn of the century horror writers M. R. James and Arthur Machen produced seminal works of folk horror, notably James' collection Ghost Stories of an Antiquary and Machen's novella The Great God Pan .
After revision: Influential British turn of the century horror writers M. R. James ,, Algernon Blackwoodand Blackwood's novella The Wendigo Arthur Machen produced seminal works of folk horror, notably James' collection Ghost Stories of an Antiquary and Machen's novella The Great God Pan .