You can do simple searches using this form:

Type	Originator	Title	Date
	Raistrick,A & Jennings,B	A History of Lead Mining in the Pennines	1966
	Burge,J	Basic Underwater Cave Surveying	1990
	Chabert,C, Mansfield,R & Strinati,P	Bibliographie Speleologique de L'Irak	2000
	Coase,A.C	Cathedral showcave official Guide	1980s?
	Sessegolo,G. C et al.	Cavernas do Parana	1996
	Van Baars & Van der Schoot	Engels Nederlands Woordenboek	1975
	Rico,V. F	Grandes cuevas y simas del Medit. De Gibraltar a Catalunya No [With Audio visual CD]	2004
	Parkyn,E. A	Prehistoric art	1915
		Salzburger Hohlenbuch, Band 2	1977
	Hadingham,E	Secrets of the ice age	1980
	Author	Slojame	2018
		Speleo Causse Mejean (Tome 1)	1982
	Jamarska Sekcija PD Tolmin & Imperial College Caving Club	The Hollow Mountain 3. 2013 - 2017	2019