Letter from Walter L. Koltun to Sydney Brenner, 1/10/1964
Letter from William A. Keville to Sydney Brenner, 12/2/1962
Letter from Yoshiaki Kitani to Sydney Brenner, 6/5/1979
Note of Research Fellowship Award for Thomas I. Kass from the National Institue of Neurological and Communicative Disorders and Stroke, 18/10/1976