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Type	Originator	Title	Date
	Atkinson,T & Smart,P.L	Caves and Karsts of Southern England and South Wales	1977
	Aellen,V & Strinati,P	Die Hohlen Europas	1977
	Davies,W.E & Morgan,I.M	Geology of Caves	1977
	Marry,G	Gouffre berger premier 1000	1977
	Minvielle,P	Grottes et Canyons	1977
	Leitheim,H	Hohlen der Nordlichen Kalkalpen	1977
	Binder,H	Hohlenfuhrer Schwabische Alb	1977
	Quinlan,J.F & Rowe,D.R	Hydrology and Water Quality in The Central Kentucky Karst	1977
	Fincham,A.G	Jamaica Underground	1977
	Hungarian Spel.Soc.	Karszt es Barlang	1977
	Irwin,D.J & Knibbs,A.J	Mendip Underground	1977
	Weaver,H.D	Meramec Caverns	1977
	Ford,T.D (editor)	Proceedings of the 7th International Speleological Congress	1977
		Salzburger Hohlenbuch, Band 2	1977
	Climber & Rambler Magazine	Selminum Tem	1977
	Montgomery,N	Single Rope Techniques	1977
	Salvayre,Henri	Speleologie et Hydrogeologie des Massifs Calcaires des Pyrenees-Orientales	1977