'Anti-tradition' (pseudonym).
'Ap Idloes' (pseudonym) and the Reverend D. Llewelyn Jones.
'Ap Tudur'.
'Atli' (pseudonym).
'Awenydd' (pseudonym).
'Bardd Nantglyn' and William Owen-Pughe.
'Blagur' (pseudonym).
'Cerdic' (pseudonym).
'Civitas' (pseudonym).
'Clwydwenfro'.
'Constance' (pseudonym).
'Dafydd Ionawr' and others.
'Dafydd ab Edmwnd' (pseudonym).
'Dewi Fardd'.
'Dewi Silin'.
'Dewi Wyn o Eifion' and others.
'Eben Fardd' and 'Pedrog'.
'Eben Fardd', Mary Thomas and James Thomas.
'Eifion Wyn' ac 'Isallt'.
'Erfyl' and Morris Davies.
