Letter from Peter Medawar to Sydney Brenner #1, 2/8/1963
Letter from Peter Medawar to Sydney Brenner #2, 30/09/1963
Letter from Peter Medawar to Sydney Brenner #3, 11/9/1963
Letter from Peter Medawar to Sydney Brenner #4, 5/7/1963
Letter from Sydney Brenner to Peter Medawar #1, 25/09/1963
Letter from Sydney Brenner to Peter Medawar #2, 26/09/1963
List of Periodicals in the libraries of the National Institute For Medical Research Mill Hill and the Medical Research Council Laboratories Hampstead, 1962