Correspondence with The Dudley Zoological Society regarding annual attendance figures

Letter to Sir Edward Hallstrom, Executive Director of Taronga Zoological Park Trust, regarding the International Union of Directors of Zoological Gardens

Correspondence with W P Heuschele, Veterinarian at San Diego Zoological Garden regarding the minutes of a meeting of the Research Council of the Biological Research Institute

Correspondence with Rio Grande Park Zoo regarding the acquisition of rare animals, such as Asiatic Rhinos

Colour negatives of the Hong Kong Zoological and Botanical Gardens, and of Hong Kong from a helicopter, dated April 1975

Black and white negatives and accompanying proof sheet of a macaque/Celebes ape (Macaca nigra) and baby in Hong Kong Zoological and Botanical Gardens, dated 1 January 1972; colour negatives of a young jaguar with J D Romer, and of snakes (Rhabdophis subminiatus) in captivity, probably in Hong Kong, dated February to March 1980

Consisting of a Belle Vue Zoo inventory ledger, 1960-1971 and two photographs of giraffes and impalas at Belle Vue from 1970 & 1971

Letter sent by G P Clifford to Philip Lutley Sclater regarding birds sent by the Otago Acclimatisation Society to the Zoological Society of London

Letter from George Mifflin Dallas to Philip Lutley Sclater regarding the proposal for a Zoological and Botanical garden in Central Park, New York

Letter from Charles Dickens to Philip Lutley Sclater sending thanks for the ticket for the gardens of the Zoological Society of London