Signatures of members of the Cardiganshire Antiquarian Society who were present at Llwyndyrys on 24 May 1930 when Thomas spoke of his archaeological researches (ff. 1-3). Also included is a list of people who received off-prints of an article written by Thomas (ff. 43 verso-48 verso, inverted text).
Notes, letters and printed material relating to the Welsh branch of the Central Committee for the Care of Cripples and to the establishment and support of Cardigan hospital.
A scrapbook of collected letters, questionnaire forms and off-prints, being an inquiry into the condition of the styloid process of the ulna in Colles's fracture and sprain of the wrist.
A scrapbook of congratulatory letters and telegrams received by Lynn-Thomas and Lady Lynn-Thomas on the occasion of being awarded his knighthood. The volume is indexed (ff. ii-vii).
A scrapbook of press cuttings, telegrams and letters relating to the case in which John Lynn Thomas and Dr. Henry Edward Skyrme were sued by Thomas Angus Southern to recover damages for alleged negligence in their treatment of the plaintiff. The volume contains an index to correspondents (ff. ii-xiii).
A scrapbook of press cuttings relating to the Welsh Army Corps, 1914-1917 (pp. 1-13), the visit of King Manuel [II] of Portugal to Cardiff, 1916 (pp. 14-31), and to the City of Cardiff hospital for France appeal, 1914 (pp. 193-194). There is an index inside the back cover.
A scrapbook of press cuttings, telegrams and letters relating to the Welsh Hospital for South Africa appeal. The volume contains an index to correspondents (ff. ii-xiii).
Scrapbooks of press cuttings and correspondence relating to Sir John Lynn-Thomas's career, together with notes and annotated copies of his book Key of all Wales in South-West Cardiganshire (1932).