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 T C T Reeve to Philip Lutley Sclater regarding an expedition that had been rescued, including Mr Kerr

Letters from Sir Thomas Townsend Pears to Philip Lutley Sclater regarding an Abyssinian expedition, during which Mr William Jesse collected about 1250 specimens

Letters from Sir Francis John Pakenham to Philip Lutley Sclater regarding the Picomayo expedition and Mr Kerr's collection

Letters from Josiah McGregor to Philip Lutley Sclater regarding a Pilcomayo expedition

Letters from Arnold Jerome Matthews to Philip Lutley Sclater regarding an expedition to the Gabon for the purpose of procuring some young living specimens of the gorilla, then available to purchase by the Zoological Society of London

Correspondence with Geoffrey Marr Vevers regarding a delay to an expedition by Owen Kiralfy

Letters from James Kerr to Philip Lutley Sclater regarding the paper his son wrote for the Ibis, and the voyage of the Bolivia to Paraguay

Journal of voyages to the W Indies, S America, E Indies and China, Cape of Good Hope and St Helena, from 1823 to 1831, in the Barque Charles and H C Ship Berwickshire

Voyage to and from China, in H C Ship Berwickshire, in 1832 and 1833