James is best known for his ghost stories, but his work as a medievalist scholar was prodigious and remains highly respected in scholarly circles. Indeed, the success of his stories was founded on his antiquarian talents and knowledge. His discovery of a manuscript fragment led to excavations in the ruins of the abbey at Bury St Edmunds, West Suffolk, in 1902, in which the graves of several twelfth-century abbots described by Jocelyn de Brakelond (a contemporary chronicler) were rediscovered, having been lost since the Dissolution of the Monasteries