1. Typescript autograph letter from Sir Thomas Lewis to Sir Walter Fletcher, May 31, 1929. MRC archives.
2. Joint press release by Medical Research Council and North West Thames Metropolitan Regional Hospital Board, October, 1969. Archives of the CRC
3. Medical science: Master or servant?;Platt;Br Med J,1967
4. Report of an MRC committee to examine the remit of the CRC(chairman, Sir Michael Stoker, FRS). January, 1985.