Bulletin Bibliographique Speleologique  
   Speleological Abstracts, an annual review of the world´s speleological literature.
   http://www.isska.ch/bbs/

National Speleological Society  
   Advancing the study, conservation, exploration, and knowledge of caves. Although primary focus is on recreation, site has extensive information and links about caves and karst.
   http://www.caves.org/

Karst Hydrology  
   A guide to cavern development and related environmental issues.
   http://www.dyetracing.com/karst/ka01000.html

Center for Cave and Karst Studies  
   Western Kentucky University research on all aspects of cave and karst studies with an emphasis upon solving environmental problems associated with karst in the Mammoth Cave region.
   http://caveandkarst.wku.edu/

Karst of Serbia and Montenegro  
   Descriptions, discussion, and maps of the geology and distribution of karst in this region.
   http://www.asak.org.yu/karst/yukarst.html

Cave and Karst Terminology  
   A full glossary maintained by J N Jennings of the Australian Speleological Federation.
   http://wasg.iinet.net.au/terminol.html

Karst in British Columbia  
   Information on Karst formation, related habitats and ecosystems, modern and traditional useage and management of resources.
   http://www.for.gov.bc.ca/hfp/fordev/karst/index.htm

Cave and Karst Science  
   Peer-reviewed journal of research on geology and biology of caves and karst, published three times a year by the British Cave Research Association. Includes tables of contents and abstracts.
   http://www.bcra.org.uk/candks/

Cave Research Foundation  
   Dedicated to documenting, studying and protecting caves and karst resources, USA.
   http://www.cave-research.org/

Karst Link Page  
   Large collection of links to web sites about karst and the study of karst around the world. Page is maintained by The Association of Polish Geomorphologists.
   http://hum.amu.edu.pl/~sgp/spec/linkk.html

IGCP Projects  
   Information on Karst related projects supported by UNESCO and the International Union of Geological Sciences.
   http://www.glnet.edu.cn/KDL/IGCP/INDEX.HTM

Karst Information Pages  
   Links to useful information relating to karst and its landscapes.
   http://www.dyetracing.com/karst/karst.html

Karsts of Australia  
   Short discussion of karst development in Australia.
   http://wasg.iinet.net.au/karsts.html

Karst Dynamics Laboratory  
   Institute based in Guilin, China undertaking research that includes the development of karst water resources, the carbon cycle in karst and geological hazards.
   http://www.karst.edu.cn/

Karst Pages  
   Site aiming to facilitate publishing and debating of data based research papers. Table of contents organised by subject, galleries, exploration history and blind cavers program.
   http://karst.planetresources.net/

Jamaican Caves and Sinkholes  
   GPS positions of Jamaican caves and sinkholes.
   http://www.jamaicancaves.org

Speleogenesis  
   Electronic journal of research on the origin and development of solution caves and other aspects of the evolution of karst topography and hydrology. Includes original papers and abstracts of items published in other journals.
   http://www.speleogenesis.info/

Australasian Cave and Karst Management Association  
   Association of cave and karst managers from Australia, New Zealand, and other Asia/Pacific coutries. Site provides information on individual caves, cave research in the region, and the organization's biennial conferences.
   http://www.ackma.org/

Karst Research Group, University of South Florida  
   Project descriptions, online papers, studies ranging from the Caribbean to Israel.
   http://uweb.cas.usf.edu/~vacher/karsthome.htm

West Virginia Cave Conservancy  
   Dedicated to conservation and preservation of karst resources. Includes information about the state's caves, conservation techniques, educational programs, and links.
   http://www.wvcc.net/

3-D Modeling of Phreatic Karst Caves  
   Reports on research on the visualization and quantification of cave geometry, illustrated by examples from Turkey and Florida.
   http://research.gg.uwyo.edu/kincaid/3dcave.htm

Navassa Island: A Photographic Tour of Geology  
   U.S. Geological Survey photos illustrate geologic features related to early karst development on this coral island.
   http://coastal.er.usgs.gov/navassa/geology/

Missouri Caves, Karst, and Springs  
   A primer on karst terminology and the processes that form this type of topography.
   http://www.mospeleo.org/scat.php?id=46

British Cave Research Association  
   Promotes the study of caves and associated phenomena. Information about the organization and its activities; with online contents of several publications.
   http://www.bcra.org.uk/

Cave Gate Airflow Disturbance  
   An investigation into the effect of cave gates on cave entrance airflow. [PDF]
   http://www.nckms.org/pdf/roebuck.pdf

Misconceptions About Caves and Karst  
   Discusses common misunderstanding of the processes that operate in karst terranes and makes suggestions for improving public education. [PDF]
   http://www.nckms.org/pdf/kastning.pdf

Glossary of Karst Related Terms  
   Compiled by Caving Canada.
   http://www.cancaver.ca/docs/glossary.htm

Canadian Karst Resources and Issues  
   Discussions, papers, glossary of terminology as well as Canada related links.
   http://www.cancaver.ca/conserv/