A volume in the autograph of John Jones ('Myrddin Fardd') containing material similar to, but not identical with, that published in Enwau Lleoedd Sir Gaernarfon : eu hystyr a'u hanes ..... Casgledig gan J. Jones (Myrddin Fardd) (Caernarfon, [1913]). Much of the writing has been crossed out but the notes can still be read. The volume also contains a number of press cuttings and some additional material, including a section on Enlli (Bardsey) place-names (pp. 91-2).