You can do simple searches using this form:

Type	Originator	Title	Date
	Winbolt,S.E	Britain BC	1943
	Jasinski,M & Maxwell,B	Caves and Caving	1967
		Die Grabenstetter Grobhohle	1989
	Baker, T	How to Photograph Cars	2002
	Jimenez,A.N	La Cueva de Bellamar	1952
	Caillault,S, Haffner,D & Krattinger,T	Speleo dans le Vercors (Tome 1)	1997
	Kladnik,Bogdan	Terra Mystica	1991
	Casteret,N	The Descent of Pierre St Martin	1955
	Conway. J, Creedy. D & Hewitt. H	The Double Decker Himalayan Caving Adventure	2019
	Pennick,N	The Subterranean Kingdom	1981
	Baumann,H	The caves of the great hunters	?
	Lyon,B	Venturing underground: the new speleo's guide	1983