G.33-G.39: British Society for Antimicrobial Chemistry, 1972-1996. The Society was formed in August 1971 at the VIIth International Congress of Chemotherapy in Prague. Abraham was invited to join the Society in 1972 and became an honorary member in 1979. In 1974 he accepted an invitation to join the Editorial Board of the Society's new journal Antimicrobial Chemotherapy. Abraham delivered the 5th L.P. Garrod Lecture to the Society on 'B-Lactam Antibiotics: motivation, science and luck in their past and future', 21 November 1986. Correspondence and papers, including a typescript draft of Abraham's L.P. Garrod Lecture.

G.40-G.44: Chemical Society, 1965-1979. Correspondence and papers regarding publications, meetings, protein group etc., 1965-1979. Includes papers regarding the symposium 'Recent advances in the chemistry of B-lactam antibiotics', Cambridge, 28-30 June 1976.

G.45-G.47: The CIBA Foundation, 1957-1979. Correspondence and papers regarding symposium on amino-acids and peptides held in March 1958; correspondence and papers regarding a study group on resistance of bacteria to the penicillins, 1961-1962; and miscellaneous correspondence, 1973-1979.