Letters from Henry Scherren to Philip Lutley Sclater regarding corrections to the proof of 'Region' and the banning of members of the public during feeding time in the Reptile House
Correspondence between the Societe Royal d'Histoire Naturelle de Gand and Philip Lutley Sclater regarding the exchange of animals including a Bubal
Letters from George Brettingham Sowerby to Philip Lutley Sclater regarding descriptions of new shells, a request to use two plates and a valuation of Mr Cummings' collection of shells
Letters from William Sowerby, Secretary of the Royal Botanic Gardens, to Philip Lutley Sclater requesting a list of the council and officers of the Zoological Society of London
Letters from James Thompson to Philip Lutley Sclater regarding the purchase of items for an expedition to India
Letters from Arthur Walden, Marquess of Tweedale, to Philip Lutley Sclater regarding an offer from the Duke of Wellington of two male llamas, Fellowship of the Zoological Society of London, specimens of an insect, and subscriptions to the Society
Letters from Alexander Agassiz to Philip Lutley Sclater about the collections of British Museum and Jardin du Plantes, Paris
Letters from John Anderson to Philip Lutley Sclater regarding the Indian Museum in Calcutta
Letters from Thomas George Baring to Philip Lutley Sclater regarding the Zoological Gardens at Calcutta
Letters from Frank Evers Beddard to Philip Lutley Sclater regarding the cause of death of a giraffe in the Zoo, his appointment as Vice-Secretary, meetings of the flower memorial committee, the death of a calf of Sanger's elephant, the death of the Nasalis larvatus, the purchase of a Langur, a collection of plants, and his position as Prosector