Papers regarding the policy of 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

Correspondence of the Breeding Policy Committee of the Zoological Society of London

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

Correspondence between N Melides and George Soper Cansdale regarding the exchange of birds for breeding purposes

Letter from S J Merriman of Brasenose College conveying an offer from an ornithologist he met in the summer in Shetlands to catch for the Zoological Society of London a number of specified seabirds breeding in the islands

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

Correspondence with the District Commissioner Borama/Zeilah regarding breeding Civet Cats in captivity