As noted in Esther M. Zimmer Lederberg's handwritten notes about
Colicins E5, E6 and E7 below, Dr. Bonnie M. Males published two papers
on Colicins with Bruce A. D. Stocker:
Males BM, Stocker BA., J Bacteriol. 1980 Nov;144(2):524-31.
Males BM, Stocker BA., J Gen Microbiol. 1982 Jan;128(1):95-106
For Dr. Males' letter to the Stanford Report memorializing Esther M.
Zimmer Lederberg, see:
http://www.esthermlederberg.com/EImages/Obituary/Bonnie_Males.html