You can do simple searches using this form:

Type	Originator	Title	Date
	The Dalesman	(The Dalesman)
	Casteret,N	Cave men new and old	1951
	MacEnery,J	Cavern Researches	1859
	Leakey,M.D & L.S.B	Excavations at The Njoro River Cave	1950
	Sykes,L	Northern Caving	2015
	Cadoux,Jean et al.	One Thousand Metres Down	1957
	Frank,J.A. & Smith,J.B	Rope Rescue Manual	1993
	Bishop,I	Slovenia Cave Guide, caves of the classical Karst	1997
	Bibby,G	The Testimony of the Spade	1968