Comprised of the following:
PP/PCG/D/77/1-15: Gordon Harrison, Dorset, Vermont, 1977-1979
PP/PCG/D/77/16-20: Dr J Hay, Wirral Cheshire, 1978
PP/PCG/D/77/21-23: Dr G R Healy, Parasitology Division, Public Health Service, Atlanta, 1977
PP/PCG/D/77/24-25: Dr M M Hegazi, Mansoura, Egypt, 1977
PP/PCG/D/77/26-27: Dr P G Hesse, Weimar, DDR, 1978
PP/PCG/D/77/28: Dr A O Heydorn, Berlin, 1978
PP/PCG/D/77/29: Professor H C Hsieh, Taiwan, 1976
PP/PCG/D/77/30-31: Dr W Z Hussain, Delhi, 1977
PP/PCG/D/77/32: Dr S Hutner, Haskins Laboratories at Pace University, New York, 1977
PP/PCG/D/77/33: Sir A Huxley, University College London, 1977
PP/PCG/D/77/34-36: Institute for Research in Animal Diseases, Newbury, Berks, 1980
PP/PCG/D/77/37-42: Israel Journal of Medical Sciences, 1977