References
,, The Gem of the Peak. Derby., , pp.60-61., (reprint by Moorland, Hartington, 1973)
(1972), , Bull. P.D.M.H.S. Vol.5. No.2., pp.114-127. Survey., Peak District Mines Historical Society
(2001), , A Cave and Mine Conservation Audit for the Masson Hill area. DCA, Survey., Derbyshire Caving Association
(2002), , Cumberland Cavern and Wapping Mine. DCA publication., , Derbyshire Caving Association
(2010), , Caves of the Peak District, p. 144, DCA
(2015), Graffiti in Peak District (England) caves and mines: historic record or mindless vandalism?, Cave and Karst Science, 42:3, pp 133-143, BCRA