F.54-F.57: 13th International Congress of Chemotherapy, Vienna, 28 August-2 September 1983. At the conference Abraham was presented with the Hamao Umezawa Award for Chemotherapy by the International Society of Chemotherapy and gave an Award Lecture entitled 'Aspects of the Biosynthesis of B-Lactam Antibiotics'. Includes correspondence regarding arrangements, a 6pp copy of the typescript of the Award Lecture, with brief manuscript annotations, and a few manuscript and typescript notes, and a…