Personal financial accounts and papers, including some accounts relating to the sales of publications, broadcasting fees and lectures, and a few items, 1929-1932, relating to Bronant, his Bangor home.
Lecture and address notes relating to education and teaching, some delivered at school prize-giving ceremonies; religion; and Welsh nationalism and language. One address, delivered at Bangor, April 1935, relates to his life and work.
Manuscript or typescript copies and press cuttings of short stories and essays, written under various pseudonyms but probably by J. Lloyd Williams himself. The majority were published in the Western Mail and Y Faner. Some items included relate to Welsh music or botany.
Sketches written by J. Lloyd Williams, possibly for literary societies in the Cricieth area; together with a few other items, including some apparently written by his brothers Huw, Richard and William.
Typescripts of, and material relating to, a play entitled 'Y Deffro'; an operetta entitled 'Cawl Cymysg'; and the manuscript of the first scene of a play, 'Hwsmon Plas-y-Nant'; all apparently by J. Lloyd Williams. An untitled morality play in his hand is also included, together with a press cutting of his adjudication in a drama competition at Holyhead, 1927.
Lecture notes and one letter, 1940, relating to the history of Llanrwst and Denbighshire, particularly in the context of J. Lloyd Williams's own life. A card advertising his lecture entitled 'Reminiscences of an old Denbighshire Town', for the Denbighshire Society in London, February 1938, is also included.
Letters, 1937-1945, from publishers, family members and friends, relating to the publication of his memoirs. Copies of a few letters from J. Lloyd Williams, one to Sir Walford Davies, 1940, are also included.
Papers relating to J. Lloyd Williams's memoirs entitled Atgofion Tri Chwarter Canrif; miscellaneous plays, sketches, lectures and radio scripts; and personalia.
Notes, in journal form, containing J. Lloyd Williams's observations and marks of individual botany students in practical and oral examinations, recorded during his visits to schools throughout Wales.
