United States

• Russell H. Gurnee, Jeanne Gurnee (1990): Gurnee Guide to American Caves - , A Comprehensive Guide to the Caves in the United States Open to the Public
  National Caves Association, ISBN: 0931402085
  Amazon.com
• Ronald Kerbo (1999): Caves of the National Parks,
  Fodor's Travel Publications, Incorporated, ISBN: 0679002928
  
• Paul H. Damon (Editor) (1991): Caving in America, The Story of the National Speleological Society
  National Speleological Society, Incorporated, ISBN: 0961509376
  Amazon.com
• Stephen Reames, Lawrence Fish, Paul Burger, Patricia Kambesis (1999): Deep Secrets, The Discovery and Exploration of Lechuguilla Cave,
  Cave Books, ISBN: 0939748282 (Paperback), 0939748185 (Hardcover)
  Hardcover @ Amazon.com | Paperback @ Amazon.com
• Richard J. Rhinehart, David Harris (Photographer) (2001): Colorado Caves, Hidden Worlds Beneath the Peaks
  Westcliffe Pub; ISBN: 1565793811; (April 1, 2001), paperback, 144 pages
  at Amazon.com
• Jim Nelson (2000): Glenwood Caverns and the Historic Fairy Caves,
  Blue Chicken, Inc.; ISBN: 1928971032; (April 10, 2000), paperback, 36 pages.
  at Amazon.com
• Eugene P. Kiver, David V. Harris (1999): Geology of U.S. Parklands, Hardcover: 912 pp, John Wiley & Sons, 5th edition (May 1999), ISBN: 0471332186
  amazon.com
• David L. Harrison (1970): The World of American Caves, Reilly & Lee Books, a division of Henry Regnery Company, USA. 152 pp, 8 plates.