You can do simple searches using this form:

Type	Originator	Title	Date
	Hill, Carol & Forti, Paolo	Cave Minerals of the World
		Coast and Karst in Istria Rossa	1960
	Wooley,L	Digging Up The Past	1942
	Puscas,R	Dincolo de Lumina	2014
	Naylor,P	Discovering Lost Mines	1981
	Baritaud,T	L'Aventure Souterraine du Perigord	1990
	Aldhouse-Green, S, Peterson,R & Walker,E.A	Neanderthals in Wales	2012
	Greensmith,J. T	Practical Geology for Schools	1967
		The Remouchamps Caves	1983