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Type	Originator	Title	Date
	Barton,D.B	A Guide to the mines of West Cornwall	1973
	Borras,J	Catalogo Espeleologico de Macizo de Garraf, Vol 1	1973
	Ford,D.C	Development of the Canyons of the South Nahanni River, N.W.T.	1973
	Herrera,A.D	Geograpica	1973
	Judson,D	Ghar Parau	1973
		Ghar Parau	1973
	Sauro,Ugo	Il Paesaggio degli Alti Lessini	1973
	Caumartin,V	La Conservation des Cavernes Amenagees	1973
	Pribyl,J	Largest Cave System of the Czech Soc. Rep,in The Moravsky Kras	1973
		Lathkill Dale Nature Trail	1973
	Carias,C.B	Mesetas de Jaua, Guanacoco y Sarisarinama	1973
	Jones,I.W	Mountain Rescue First Aid	1973
	O'Reilly,P.M	OFD Ogof Ffynnon Ddu - S1068	1973
	Fabre,Guilhem	Observations sur les Circulations Soutr.Karst.du Languedoc Orient	1973
	Comite Nationale de Geographie Commission des Phenom.Karst.	Pyrenees Occidentales Francaise et Region Cantabrique Espagnole	1973
	Gruppi Grotte Italiani	Rassegna Speleologica Italiana	1973
	Institute of Geography, Brno	Speleologicky Vestnik	1973
		The Yunkang Caves	1973
	Checkley,D.R	Venezuela'73	1973