The term 'Doone of Exmoor' is a reference to the novel Lorna Doone by R.D. Blackmore, which was published in 1869. The novel is set in the late 17th century and tells the story of a young woman named Lorna Doone, who is from a family of outlaws living in the wilds of Exmoor in southwest England. The novel follows Lorna's journey as she falls in love with a young man from a rival family and their struggles to be together.