ASM Conference 'Exterchromosomal Elements in Bacteria', 9-11 Jan, 1974, New Orleans. 'GIM 74' Symposium: 'Genetics of Industrial Microorganisms, 2nd Int. Symposium, 25-31 Aug, 1974, Sheffield.
From a box labelled 'Meetings 2, 1976-1978'. Abstracts, programmes, notes and correspondence.
5th course 'Microbial Breeding' at the International School of General Genetics, Erice, Trapani, Sicily, 18-25 June, 1976
The Biochemical Society Ninth Harden Conference 'Plasmid Recombinants in Molecular Biology', Wye College, 20-23 Sep, 1976
French Society of Microbiology Meeting, Inst. Pasteur, paris, 2 Dec, 1976
12th Int. Congress of Microbiology, München, 3-8 Sep 1978
'Antibiotics of the Future', 2nd Rhone-Poulenic Round Table Conference, Paris, 13-15 Feb 1980. Programme, correspondence, notes etc.
From a box labelled 'Meetings 4, 1981-1983' programmes, abstracts, reports, correspondence, newspaper clippings etc. from visits, conferences, symposia and meetings attended by DH.