Safle wê y BBC am y rhaglen “The Choir” â ddarlledwyd yn 2009
BBC website of "The Choir" - transmitted in 2009
http://www.bbc.co.uk/sing/choir/ 

Cymdeithas Gorawl Colwyn
Colwyn Choral Society
http://myweb.tiscali.co.uk/colwynchoralsociety/index.htm

Cymdeithas Gorawl Yr Wyddgrug a'r Cylch
Mold & District Choral Society
http://www.moldchoral.org.uk

Cor Meibion Maelgwn
Maelgwn Male Voice Choir
http://www.maelgwn.co.uk

Ty Cerdd, Caerdydd
http://www.tycerdd.org/

Siop Lyfrau Lewis
Lewis Bookshop
http://www.sioplyfraulewisbookshop.com

Cantabile Artists Agency
http://www.cantabileartistsagency.co.uk/CV.php?singerRef=39 
 
British Choirs on the Net
http://www.choirs.org.uk/

Cymdeithas Gorawl Llanelwy / St Asaph Choral Society
http://www.stasaphchoralsociety.co.uk/index.html

National Association of Choirs
http://www.nationalassociationofchoirs.org.uk/ 

Sing for Pleasure
http://www.singforpleasure.org.uk/index.php

The Ongoing Singing Liaison Group
http://www.tonsil.org.uk/

Gerontius
http://www.gerontius.net/