Copïau o ddau lythyr, 1883, oddi wrth 'Myfyr Morganwg' (Evan Davies, 1801-88), Pontypridd, at y newyddiadurwr 'Morien' (Owen Morgan, ?1836-1921), a oedd wedi eu gludo y tu mewn i gopi o Myfyr Morganwg, Gogoniant Hynafol y Cymmry (Pontypridd, 1865).
Myfyr Morganwg, 1801-1888
A copy of Evan Davies (Myvyr Morganwg), Hynafiaeth Aruthrol Trwn, neu Orsedd Beirdd Ynys Brydain a'i Barddas Gyfrin ... (Pontypridd, [1875]). Attached to the upper and lower end-papers are brief notes on Myvyr Morganwg by Henri Gaidoz, a list by Llywarch Reynolds, Merthyr Tudful, of the published works of Myvyr Morganwg and a holograph letter from Reynolds to Gaidoz, 1880, relating largely to the life and writings of Myvyr Morganwg.
Myfyr Morganwg, 1801-1888