Press releases from the Institute of Zoology regarding the world's first Przewalski Wild Horse born to a surrogate pony, breeding endangered species, a new veterinary hospital at Whipsnade, British wildlife to benefit from health research and a Zoological Society of London scientist winning an International Environment Award

Memorandum regarding periods of fertility and the fertility rates of the various species of mammals on Exhibition at the Gardens of the Zoological Society of London since 1826

Correspondence with Joyce Raven regarding the breeding of Giant Pandas

Correspondence with Philadelphia Zoo regarding the transport of snakes and the breeding of Tarsiers

Papers of the Breeding Policy Committee of the Zoological Society of London. The Breeding Policy Committee became the Committee of the Wellcome Institute of Comparative Physiology in 1971

Reports by the Curator of Birds for the Breeding Policy Committee, later the Committee of the Wellcome Institute of Comparative Physiology, of the Zoological Society of London

Papers of the Breeding Policy Sub-Committees on Infertility, Selection and Fertility Control

Letter to J N Ritchie of the Ministry of Agriculture Fisheries and Food regarding the Animal Welfare and Husbandry Committee forming a sub-committee dealing with Animal Breeding