Built in America
- http://memory.loc.gov/ammem/collections/habs_haer/
- This collection includes digitized images of measured drawings, black-and-white photographs, color transparencies, photo captions, data pages including written histories, and supplemental materials. From The Historic American Buildings Survey (HABS) and the Historic American Engineering Record (HAER).
Construction History Society
- http://www.constructionhistory.co.uk/
- Exists to focus the attention of the construction industry and associated professions on the importance of preserving the records of our built environment. Includes membership details, newsletter, journal and events.
Cruquius Site
- http://www.cruquiusmuseum.nl/
- Group of volunteers restoring and maintaining one of the pumping stations which drained the Haarlemmermeer. Site describes the history, the technology, and the restoration.