Neolithic cup and ring marked stones at Fowberry Enclosure, Lilburn (Tillside) - Source of Reference
The information on this website is based on a range of published and unpublished works. Below is a list of the source of information used in writing this record.
(2) Beckensall, S., 1983. Northumberland's Prehistoric Rock Carvings (Rothbury), 48, 148-51.
(3) Beckensall, S., 1974. Prehistoric Rocks Motifs of Northumberland, volume 1 (Hexham), 43, 48-9.
(4) Dodds, M.H., 1935. A History of Northumberland, volume 14 (Newcastle upon Tyne) 67.