- www.riai.ie
- www.architecture.com
- www.irishlandscapeinstitute.com
- www.landscapeinstitute.org
- www.iflaonline.org
- www.efla.org
- www.iema.net
- www.glda.ie
- www.isa-arbor.com
- www.cabe.org.uk
- www.rudi.net
- www.ofmdfmni.gov.uk/sustain-develop.pdf
- www.civictrust.org.uk
- www.sei.ie
- www.constructireland.ie
- www.hsa.ie
- www.treecouncil.ie
- www.trees.org.uk
- www.iso.org
