Organization of World Heritage Cities  
   List of member cities, with an outline history of each and links to further information.
   http://www.ovpm.org/

International Survey of Jewish Monuments  
   A non-profit organization dedicated to the research, preservation and documentation of Jewish historical monuments from around the world. Newsletter, monuments information by country.
   http://www.isjm.org/

The International Molinological Society  
   Fosters interest and understanding of wind, water and animal-driven mills. It encourages research, preservation and restoration of historical mills. Activities, news, publications, glossary, links.
   http://tims.geo.tudelft.nl/index.htm

UNESCO: World Heritage  
   Calendar of events, the guiding principles of the World Heritage Committee, list of World Heritage Sites, special reports and online exhibitions, ways to participate.
   http://whc.unesco.org/

Docomomo International  
   Non-profit organization devoted to the documentation and conservation of buildings, sites and neighbourhoods of the modern movement. Includes aims, activities, publications and conferences.
   http://www.docomomo.com/

The Society for Church Archaeology  
   Promotes the study of churches and other places of worship in Britain and Ireland. Aims, committee, list of contents of its journal, news and conference.
   http://www.britarch.ac.uk/socchurcharchaeol/