Cymdeithas Alawon Gwerin Cymru : canrif gron = The Welsh Folk-Song Society : a whole century /
Welsh Folk-Song Society : a whole century
D. Roy Saer.
- [Aberystwyth] : Cymdeithas Alawon Gwerin Cymru = Welsh Folk-Song Society, 2006.
- 56 p. : ill. ; 21 cm.