http://www.visitanglesey.co.uk/oriel_ynys_mn-22.aspx
http://www.bangor.ac.uk/archives/index.php.en
http://www.gwynedd.gov.uk/gwy_doc.asp?cat=3693&doc=12971&Language=1
http://www.conwy.gov.uk/section.asp?cat=772&Language=1
http://www.anglesey.gov.uk/doc.asp?cat=2667
Visit GAT's main website at www.heneb.co.uk
Search the records of the other Welsh Archaeological Trusts www.archwilio.org.uk