You can do simple searches using this form:

Type	Originator	Title	Date
	Kunath,C.E	50 years of Texas Caving	2007
	Macmillan,N	A history of the Fuller's earth mining industry around Bath	2009
	Beck,H	Beneath the Cloud Forests	2003
	Baker,E.A	Caving	1932
	Hogg,G	Deep down	1961
	Busellato,L	Dimensione Buio	1991
	Jimenez,A.N	Geografia de Cuba
	Edmunds,W.M	Hydrogeochem. of Groundwaters in The Derbyshire Dome	1971
	Kucera,B, Hromas,J & Skrivanek,F	Jeskyne a Propasti v Ceskoslovensku	1981
	Chochon,N	Les Alpes Maritimes Souterraines	1976
	Chia,Lan-Po	The Cave Home of Peking Man	1975
	Desautels,P. E	The Mineral Kingdom	1969
	Hartwig,G	The subterranean world	1885
	Hanwell,J, Price,D & Witcombe,R	Wookey Hole 75 years of cave diving	2010