Cave Research Association (MAD)
- http://www.mad.org.tr/
- Located in Ankara, Turkey and a member of the Union of International Speleology. Promotes exploration and conservation. Includes meeting and contact information. [Turkish and English].
International Union of Speleology
- http://www.uis-speleo.org/
- Representing cavers from around the world with working groups devoted to protection and management, research, documentation, exploration and education. Includes calendar, abstracts, vacancies, history, guidelines and standards.
UIS Informatics Commission
- http://www.uisic.uis-speleo.org
- Encourages and facilitates the systematic collection and use of karst and related data on an international basis with workign groups devoted to survey and mapping, caver's dictionary and data exchange format. Includes calendar, newsletter, software, discussion forum, project and contact information.