R.J. Derfel (1824-1905) /
Hughes, H. G. A.
Cerrigydrudion : Gwasg Gwenffrwd,
2005.
Contains two articles and an obituary which appeared variously in Llais Llafur and the Manchester Guardian.
R.J. Derfel, A brief account of my life (Llais Llafur, 5 August - 16 December 1905) -- R.J. Derfel and his works : an interview (Llais Llafur, 11 May & 18 May, 1901) -- Obituary : Mr. R.J. Derfel (Manchester Guardian, 18 December 1905)
Derfel, Robert Jones, 1824-1905.