Correspondence with Joyce Raven regarding the breeding of Giant Pandas

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

Notes by Julian Huxley on visits to the Zoological Gardens at New York (Bronx Park), Philadelphia, Washington DC, Paris (Vincennes), Hamburg, Berlin, Munich (Hellabrunn) and Frankfort, also the Aquarium at Chicago

Draft notes by Julian Huxley on visits to the Zoological Gardens at New York (Bronx Park), Philadelphia, Washington DC, Paris (Vincennes), Hamburg, Berlin, Munich (Hellabrunn) and Frankfort, also the Aquarium at Chicago

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

Correspondence with Geoffrey Marr Vevers regarding Eider Ducks that were bred by Lieutenant Colonel Lumsden