H.212: Park, J.T. Park was based at the Department of Microbiology, University of Umea, Sweden. Correspondence regarding a visit to Oxford, 1970.

H.213-H.226: Perry, D. Perry came from the University of Birmingham to work in a postdoctoral position in Abraham's laboratory. Correspondence and papers regarding career, appointments, research, and publications. Includes references and recommendations. 1974-1989.

H.227: Richmond, M.H. Richmond was Professor of Bacteriology, University of Bristol. Correspondence regarding research etc. 1970-1978.

H.228-H.231: Robinson, R. Correspondence regarding historical reflections, Robinson's scientific memoirs, biography of Robinson, etc. 1971-1990.