Gwyl Ffidil yr Wyddfa ... www.gwylffidil.info
Pigyn Clust......... www.pigynclust.co.uk
Fernhill................www.fernhill.info
Recordiau Fflach ..... www.fflach.co.uk
Llio Rhydderch...... www.lliorhydderch.com
Mwy o wybodaeth am y crwth.............. www.crwth.info
Creighton's Collection:.... www.creighton-griffiths.co.uk
Llyfrgell Genedlaethol Cymru..... www.llgc.org.uk
Ceri Rhys Matthews.... www.yscolan.info
Village Music Project.... www.salford.ac.uk/media/research/vmpains.htm