H.132-H.134: Jeffery, J. Jeffery was a graduate student in the Sir William Dunn School of Pathology, 1958-1961, working on the chemistry and biochemistry of a member of the cephalosporin family. Correspondence and papers regarding career and appointments. Principally references and recommendations. 1959, 1970-1981.

H.135-H.139: Kasik, J.E. In 1966 Kasik spent sabbatical leave from the Department of Medicine, University of Chicago researching in Abraham's laboratory where he worked on the relationship between penicillinase production and the sensitivity of mycobacteria to penicillins and cephalosporins. Correspondence regarding research, publications, etc. 1965-1986.