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 G S Sale to Philip Lutley Sclater regarding a Kakapo, or Ground Parrot

Statement by Geoffrey Marr Vevers on the case of Commissionaire W J Sprunt, Gatekeeper at the Gardens of the Zoological Society of London, who may have died from Psittacosis which was caught from Parrots in the Parrot House

Letter from Basil Wilberforce to Philip Lutley Sclater regarding sending a parrot to London Zoo for a few months

Letter from Arthur John Bigge, 1st Baron Stamfordham and Private Secretary to George V, to Peter Chalmers Mitchell regarding specimens of South Australian Doves and a Green Parrot for the Zoological Society of London

Notes by the Secretary and David Seth Smith on plans for a Parrot House at the Zoological Society of London

Plans relating to proposed garden improvements, with papers regarding the future of the parrot collection, a report by the curator of mammals and birds and Parrot House plans

Reports and correspondence relating to an epidemic of Psittacosis amongst the Parrots at London Zoo which resulted in the death of William J Sprunt

Correspondence regarding an African Grey Parrot for the Parrot House at the Zoological Society of London

Correspondence between C Addison-Williamson and Geoffrey Marr Vevers regarding the import of Parrots under the Parrots (Prohibition of Import) Regulations 1930