Letters from Abraham Dee Bartlett to Philip Lutley Sclater regarding the doors to the new elephant house, animal food consumption, the female rhinoceros, the mounted specimen of a young gorilla, authorisation to sell Alice the elephant to Mr Barnum, and the theft of an owl

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

Letter from the Conservator of Forests in Assam to the Divisional Forest Officer, Sibsagar Division regarding arrangements for catching a Rhino to be dispatched to the Zoological Gardens in Alipore on behalf of the Zoological Society of London

Papers regarding the presentation of the RIBA Architecture Award Elephant and Rhinoceros Pavilion

Letter from the New York Zoological Society regarding the acquisition of an Indian Rhinoceros

List of the Officers and Servants of ZSL with the Salaries of each, 1 Oct 1836; List of Officers & Keepers – and date of appointment, Dec 1853; Income and Expenditure 1825-1857; Income and Expenditure 1825-1875; Return of the Garden Establishment showing Occupation, Rate of Wages, 8 Dec 1848; Quantities of Fruit & Vegetables consumed in the Society’s Gardens, 1898; Zoological Photographic Club’s Exhibition 1912 – Regulations; [Table of] Year, No. of Fellows, Income, Expenditure, Admissions to Gardens, 1825-1904; List of the principal buildings erected in the Society’s Gardens since 1860 and their cost, 1860-1883; Cost of principal buildings erected in the Society’s Gardens from 1859 to 1899; Notes on Garden Guide sales, 1903; Attendances at Lectures, 1882-1884, 1897-1899; Lectures Regulations, 1900; Amounts paid annually for rates, 1866-1884; Rules for Keepers living in the Lodge, 1910; Visitors and Receipts on Christmas Day, 1888-1908; Notes by A Thomson on injuries to keepers caused by Rhinoceros, Huanaco and Chimpanzee, 1907

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

Correspondence between Raymond Hook and Geoffrey Marr Vevers regarding offers of animals including a Rock Hyrax, a pair of Rhinos, Reticulated Giraffes and Grevy's Zebras

Letter from Robert I Montgomery, Secretary of the Royal Zoological Society of Ireland, to Philip Lutley Sclater regarding the cost of the transit of a rhinoceros