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 Phineas Taylor Barnum to Philip Lutley Sclater regarding the purchase and transfer of Alice the elephant. Also a letter regarding the purchase of specimens for Barnum's Zoological Museum
Correspondence between Clarence Bartlett, Philip Lutley Sclater and Balmoral Castle regarding the skin and skeleton of a giraffe and the donation of the skin to the Natural History Museum. Also telegrams from Balmoral Castle sending the Queen's condolences on the death of the giraffe and her request that it should be buried
Letters from Arthur Gardiner Butler to Philip Lutley Sclater regarding attendance at committee meetings and illustrations for publications
Letters from Alphonse Milne-Edwards, Director of the Menagerie au Museum d'histoire naturelle, to Philip Lutley Sclater
Letters from Friedrich Finsch, Curator of the Museum of Natural History in Bremen to Philip Lutley Sclater
Letters from John Edward Grey of the British Museum to Philip Lutley Sclater regarding the key to the gardens of the Zoological Society of London, a paper on tortoises, specimens of a monkey and lemur to be exhibited at a meeting, the death of a gorilla, meetings of the Council, and reports of the Proceedings of the Zoological Society of London
Letters from Thomas de Grey to Philip Lutley Sclater regarding his expedition down the Rocky Mountains into New Mexico, skeletons of mammals for the Cambridge museum, and a paper on West Indian Microlepidoptera for the Proceedings of the Zoological Society of London
Letters from Johann Ludwig Gerhard Krefft of the Australian Museum in Sydney, to Philip Lutley Sclater