David Moore's writings and references on Roman and modern concrete technology and construction.

Provides an introduction to sandstone and limestone roofs, giving the geology, history and use of stone slates, with bibliography and glossary.

This UK society provides a beginner's guide to the history of tiles used pave floors or decorate walls.

A non-profit group with an interest in historic decorative schemes, which publishes the journal "Traditional Paint News" (contents listed online). Annual conference, membership, news.