Correspondence, 1854, relating to sanitation at Portmadoc and Tremadoc.

Papers relating to the establishment of a Porthmadog (Harbour) Trust, 1913-1920, and a ship building project, 1917-1918.

The second of two volumes containing a record kept by Robert Jones, 4 Garth Terrace, Portmadoc of the texts of sermons preached by Calvinistic Methodist preachers, possibly at Portmadoc, 1853-1890.

The first of two volumes containing a record kept by Robert Jones, 4 Garth Terrace, Portmadoc of the texts of sermons preached by Calvinistic Methodist preachers, possibly at Portmadoc, 1853-1890.

A typescript dissertation on 'The History of Traeth Mawr and the Industrial Results of the Formation of the Embankment', by William Morgan Richards, Portmadoc, 1925.