Letters from James Thompson to Philip Lutley Sclater regarding the purchase of items for an expedition to India
Letters from William Thompson to David William Mitchell regarding statements of accounts of the Zoological Society of London
Letters from Sir Charles Wyville Thomson to Philip Lutley Sclater regarding entrance to the Gardens of the Zoological Society of London, elections to the Council and his description of a porcupine
Letters from Sir William Hamo Thornycroft to Philip Lutley Sclater regarding tickets for admission to the Gardens of the Zoological Society of London in order to make sketches of the animals
Letters from Charles B Trollope to Philip Lutley Sclater regarding Mr Purdey's lease and the lease of the Zoological Society of London in Hanover Square and rear facing Oxford Street
Letters from Frederick Trotman to Philip Lutley Sclater regarding agreements for refreshment rooms in the Zoological Society's Gardens
Letters from the United Planters Association of Southern India to Philip Lutley Sclater regarding attempts to introduce appropriate varieties of Ladybirds from Australia for the extermination of certain scale pests
Letter from the Secretary of the United Services Museum, accompanying two specimens of birds killed in Mexico and of a Scoter killed at Southampton. The letter asks the Zoological Society of London to inspect and return them
Correspondence between the United Workers' Association and the Zoological Society of London regarding payments to men called up for the Services
Letter from an unknown person regarding wild pigeons on board a Brig to be sent to the Zoological Society of London