Files relating to (fols. 1-96) 'National Health Insurance', including (fols. 2-29) letters of congratulation on Addison amending transfer of medical boards, Aug. 1911, (fols. 30-93) printed papers on legislation, 1920-1922, (fols. 94-96) National Health Insurance 21st Anniversary Luncheon, 17 July 1933; and (fols. 97-253) arrangements for dinner to honour Addison's work on medical reform, 6 Feb. 1914, with (fols. 170-253) souvenir volume of the dinner, including speeches ('The health of the people and how it may be improved', by Addison), and press reports.