Deeds, 1609-1873, mostly relating to lands in Carmarthenshire, including the Trimsaran estate; records of the Commissioners of the Kidwelly and Llanelli Canal and Tramroad Act, 1813-1834; and deeds and records of the Llanelli Canal and Tramroad Company, 1834-1839. The fonds does not contain any records relating to the Carmarthenshire Antiquarian Society.

A scrap-book belonging to John Jones ('Myrddin Fardd') containing notes and press cuttings relating to churches and parishes, etc. in Llŷn and Eifionydd, Caernarvonshire, with a few references to places outside that area, e.g. Abergwili, Carmarthenshire and Brongwyn, Cardiganshire. At the reverse end are copies of memorial inscriptions, a note on 'Ffordd Maughan', transcripts of two letters, 1860, from [Ebenezer Thomas], 'Eben Vardd', Clynnog to Mr John Roberts [?Sion Lleyn], and brief notes on mansions in Llŷn and Eifionydd, etc. Letter (?) 'I' on spine.