Correspondence between Carl Hagenbeck and Geoffrey Marr Vevers regarding a shipment of animals by Hagenbeck to the Zoological Society of London, and a request for a Przewalski Wild Horse mare

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