Robert de Joly ():
Memoirs of a Speleologist,
The Adventurous Life of a Famous French Cave Explorer
National Speleological Society, ISBN: 0914264095, Paperback at Amazon.comHardcover at Amazon.com
Norbert Casteret (1933):
Ten Years Under the Earth,
Cave Books, ISBN: 0914264079, (June 1988), paperback. at Amazon.com
William Stone, Barbara Am Ende, Monte Paulsen (Contributor) (2002):
Beyond the Deep,
The Deadly Descent Into the World's Most Treacherous Cave
Warner Books, ISBN: 0446527092, (July 2002), hardcover, 352 pages. at Amazon.com
Richard A. Watson, Roger W. Brucker (1987):
The Longest Cave,
Southern Illinois Univ Pr (Trd), ISBN: 0809313227, (December 1987), paperback, 331 pages
The story of the exploration of the longest cave of the world,
Mammoth Cave. at Amazon.com
Herbert Conn, Jan Conn (1981):
Jewel Cave Adventure,
Fifty Miles of Discovery in South Dakota
Cave Books, ISBN: 0939748010, (June 1981), paperback, 240 pages
Herb and Jan Conn spent a big part of their life at Jewel Cave, and they
discovered most of the today known passages. at Amazon.com