Volume 52 : "The ecology of fishes parasites with particular reference to helminth parasites and their salmonid fish hosts in Welsh rivers"; "Biology of the schistosome genus trichobilharzia"; "The consequences of reducing transmission of plasmodium falciparum"
Dissertação de candidatura ao grau de Mestre em Parasitologia Médica e Medicina Tropical apresentada à Universidade Nova de Lisboa, Instituto de Higiene e Medicina Tropical.