An international nonprofit organization founded to preserve and restore the cultural heritage of the former Clairvaux Abbey, particularly promoting research on the site. Includes its charter in PDF format.

Non-profit organization devoted to the documentation and conservation of buildings, sites and neighbourhoods of the modern movement. Includes aims, activities, publications and conferences.

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.

A non-profit organization dedicated to the research, preservation and documentation of Jewish historical monuments from around the world. Newsletter, monuments information by country.

List of member cities, with an outline history of each and links to further information.

Aims to encourage the study and preservation of the ordinary architecture of North America. Publishes a scholarly journal and a newsletter. Board of directors, membership application, news and annual meeting.