Jet Bead (Wark) - 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The information on this website is based on a range of published and unpublished works.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.
(1) Dodds, M.H. 1940. A History of Northumberland, vol.15 (Newcastle), 53
(1a) Hall, G.R., 1865-7. Transactions of the Natural History Society of Northumberland and Durham, 1, 153
(2) Field Investigators Comments F1 WDJ 10-OCT-1962