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Type	Originator	Title	Date
	Arculus,R.J	Geology Around Craig-y-Nos	1970
	Edington,M.A	Investigations into the Microbial Populations of caves [PhD Thesis]	1970
	Eldridge,G	The Geomorphological Development of Ogof Ffynnon du
	Coase,A.C	The Geomorphology of the Dan yr Ogof Caves	1975
	Christopher,N.S.J	The Karst Hydrogeochemistry of the Carb.LS.of North Derbyshire	1981
	Day,M.J	The Morph.of Tropical Humid Karst Ref.to Caribbean & C.America	1978
	Herbert,M.J.	The Use of Computers in Cave Surveying	1991
	Dymock,K.M	Variations in the cave water chemistry at Dan yr Ogof	1998