Links:

Richard Ireland Article: Conserving Decorative Plaster
http://www.buildingconservation.com/articles/decorplast/decorative_plaster.htm

http://www.projectbook.co.uk/article_40.html

http://www.projectbook.co.uk/article_41.html

Richard Ireland Article: Cleaning decorative Plaster
http://www.buildingconservation.com/articles/cleandecplast/cleandecplast.htm

Richard Ireland Article: Colour Investigation & Pigment Analysis
http://www.projectbook.co.uk/article_29.html

Patrick Baty: Paint Analysis
http://patrickbaty.co.uk

Dr. Claire Gapper: Plaster Historian
http://www.clairegapper.info

Dr. Conor Lucey: Plaster Historian
https://www.tcd.ie/History_of_Art/staff/luceyco.php

Dr. Christine Casey: Plaster Historian
http://www.tcd.ie/History_of_Art/staff/caseych.php

Jenny Saunt: Plaster Historian
https://vle.courtauld.ac.uk/course/view.php?id=616

Donhead: Plaster Publications
http://www.donhead.com

English Heritage: Plaster Publications
http://www.english-heritage.org.uk/publications/mortars-renders-plasters-conservation

Traditional Paint forum
http://www.traditionalpaintforum.org.uk

Building Limes Forum
http://www.buildinglimesforum.org.uk