File NLW MS 19133E. - Essays and papers,

'The harp in the orchestra', a paper by John Thomas. Notes on the history of the harp. History of the harp from the earliest period down to the present day, by John Thomas (London, n.d.). 'The national music of Wales', an essay by John Thomas. 'Welsh music', a paper read before the Incorporated Society of Musicians at the Park Hall, Cardiff, 29 Dec. 1896. A paper on Welsh music read before the Incorporated Society of Musicians by Mr John Thomas (Harpist to the Queen) at the lesser Park Hall, Cardiff, on Tuesday afternoon, 29 Dec. 1896. Two copies. (Formerly Pencerdd Gwalia MS 16).