Letters from Lionel Walter Rothschild, 2nd Baron Rothschild, to Philip Lutley Sclater regarding an expedition to the Sandwich Islands, papers on birds of the Sandwich Islands, drawings of a Rail, ornithological exhibitions, the sale of a rhinoceros, his drawing of a rhinoceros to be published in the Proceedings of the Zoological Society of London, his Cassowaries at Tring, a transfer of Tragelaphus, Galapagos Tortoises, Eclectus Parrots, Lemurs and Zebras

Letters from John Sabine regarding the housing of the Rhinoceros and Tapir, conversations with Fuller about a larger repository for the greater carnivores, committee meetings of the Zoological Society of London and the dismissal of the head gardener and his recommendation of Morris Burr as his successor

Letters from Frederick Courteney Selous to Philip Lutley Sclater regarding his papers, notes on his egg collecting trip to Asia Minor, admission to the Gardens of the Zoological Society of London, a donation towards the International Congress of Zoology, notes on the red Rhebuck, meetings the Zoological Society of London, the horns of a white rhinoceros, his election as a corresponding member of the Society and accounts of his travels

Correspondence between Veale & Saunders and the Treasurer of the Zoological Society of London regarding the construction of the new Elephant and Rhinoceros House at London Zoo

Correspondence between Vought, Fullbrook and Co and George Soper Cansdale regarding the offer of a Rhinoceros to the Zoological Society of London