Letter from Don W Fawcett, Harvard Medical School, Boston to Howard Walter Florey Asks permission to reproduce picture from Florey's paper with Jennings and Marchesi in 'Proc Roy Soc B' 1962 - wants to use it in 9th edition of 'Textbook of Histology' - wrote to Dr Jennings - has written to Royal Society - enjoyed Florey's visit as Dunham Lecture 21 August 1967