He also wrote a number of studies of artists and authors. "The Man Who Wrote Dracula" (1975) is a biography of his grand-uncle, Bram Stoker. While living at his father's old house in North Devon Farson established a close friendship with the writer Henry Williamson, an Agrarian Right ally of James Wentworth Day), and later he paid tribute to Williamson with a book, "Henry: An Appreciation of Henry Williamson" published in 1982, five years after Williamson's death. "Sacred Monsters" (1988) is a collection of essays on artists and writers he had known.