- NLW MS 11485A.
- File
- 1835-1836 /
A volume of holograph lectures by John William Thomas ('Arfonwyson') on 'Seryddiaeth', 'Deddv Rheswm a Chyvraith', and 'Gwybodaeth Gyffredinol', delivered during the period 1835-1836. One of the lectures was delivered to the London Cymreigyddion Society, 7 January, 1836.
Thomas, John William, 1805-1840