Mezue ahịrịokwu na-esonụ: N'afọ 1981, "Eryr Pengwern" ("'Eagle nke Pengwern"'), nke e mere na narị afọ nke asaa Powys ma dabere na Heledd Saga, bụ nke Jones dere na nzaghachi nye iyi egwu Gwynfor Evans nke ịmalite mgbochi agụụ maka ọwa telivishọn Welsh. Afọ anọ ka e mesịrị, ọ kwagara n'ụdị akwụkwọ akụkọ na akwụkwọ akụkọ "Dyddiadur Mari Gwyn" ("Mari Gwyn's Diary") na-ekwu maka mkpagbu nke ndị Katọlik n'oge ọchịchị Elizabeth nke Mbụ ma na-elekwasị anya na onye edemede Elizabethan Welsh bụ Robert Gwyn. Nke a sochiri Jones dere akwụkwọ akụkọ atọ n'etiti afọ 1987 na 1993 nke etinyere na Oge Ndị Isi: "Cribau Eryri" ("The Ridges of Snowdonia"), "Barrug y Bore" ("Morning Frost") na "Adar Drycin" ("Storm Birds"). E nyere ya mmụọ ide trilogy ahụ mgbe ihe nkiri ahụ dara
1979 Ntughari ntuli aka nke Welsh, na mmụba nke nrụgide igwe mmadụ na mpaghara etiti Welsh. E bipụtara akwụkwọ akụkọ ikpeazụ nke Jones "Cydio Mewn Cwilsyn (Taking up a Quill"), akwụkwọ akụkọ akụkọ nke nwa Edmund Prys, na 2002. O dere akwụkwọ iri n'oge ndụ ya ma bipụta nchịkọta nke akwụkwọ ụmụaka mbụ.