The papers consist of a group of 16 items, letters written to Hugh Derfel Hughes by various Welshmen and women such as Nicander, Meudwy Mon, Ceiriog, William Roos and Adela Douglas Pennant. The subject matter varies amongst these letters although several relate to the publications of Hugh Derfel Hughes, in particular Hynafiaethau Llandegai a Llanllechid.
There is also a written adjudication by Hugh Derfel Hughes, acting as adjudicator in a Bethesda Literary Society competition in November 1858.