F.38-F.41: 5th FEMS Symposium, Basel, Switzerland, 14-16 September 1977. Abraham gave a lecture on 'Developments in the Chemistry and Biochemistry of Beta-lactam Antibiotics'. Includes correspondence regarding arrangements and arising, a 28pp copy of the typescript of the lecture with manuscript corrections and revisions, and correspondence regarding publication of the lecture with corrected proof.

F.42: 'Future Prospects and Past Problems in Antimicrobial Therapy: the Role of Cefoxitin', Harvard Club of Boston, USA, 24 and 25 May 1978. Contains programme listing Abraham as an invited speaker.

F.43-F.44: Table Rondes Roussel Uclaf: 'Mode of Action of Beta-Lactams', Paris, 6 and 7 December 1979. Abraham participated as a moderator. Includes correspondence regarding arrangements, with list of participants, and correspondence with individuals at Division Scientifique Roussel Uclaf and Roussel Laboratories regarding various matters.

F.45-F.47: International Symposium on B-lactam Antibiotics: 'Mode of Action, New Developments and Future Prospects', New York University Post-Graduate Medical School, 29 September-2 October 1980. Abraham gave a lecture entitled 'Discovery, Chemistry and Antibacterial Properties of Cephalosporins'. Includes correspondence regarding arrangements, 1p of manuscript notes for the lecture, a 13pp typescript of the lecture with manuscript revisions, and a 15pp copy of typescript of the published? version of the lecture.

F.48-F.51: 'Launching the Antibiotic Era: Personal Accounts of the Discovery and Use of the First Antibiotics', a symposium held at the Rockefeller University, New York, on 23 October 1989. The symposium was held to celebrate the 50th anniversary of the discovery of Gramicidin by René Dubos. Abraham gave a lecture entitled 'Oxford, Howard Florey and World War II'. Abraham's lecture and the contributions by other speakers appeared in a subsequent Rockefeller University Press publication Launching the Antibiotic Era, New York 1990. Includes correspondence regarding arrangements and publication, 1p of manuscript notes for the lecture, a 12pp typescript draft of the lecture with manuscript corrections, 15pp typescript of the expanded version, and an off-print of the published lecture.

F.52-F.53: 21st Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC), Chicago, USA, 4-6 November 1981. The subject of the conference was biosynthesis of B-lactam antibiotics. Abraham gave a lecture probably entitled 'Enzymes Involved in the Biosynthesis of Cephalosporin C'. Includes correspondence regarding arrangements and arising, a 7pp typescript of the lecture with manuscript corrections, and an 8pp typescript of the same with extensive manuscript revisions (probably for publication).

F.53A: First ASEAN Workshop on 'Fermentation Technology applied to the utilization of food waste materials', Kuala Lumpur 22-24 February 1982. Contains typescript copies of 2 lectures given by Abraham entitled 'B-lactam Antibiotics - an Outline' and 'Biosynthesis of B-lactam Antibiotics - an Outline.