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
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
Letter from Lewis Adolphus Bernays to Philip Lutley Sclater regarding the Acclimatisation Society of Queensland
Letters from A de Borre of the Musee Royal d'Histoire Naturelle Brussels, to Philip Lutley Sclater
Correspondence between the British Museum (Natural History) and Sheffield Airey Neave regarding delegates to the Conference on Nature Preservation in Post-War Reconstruction, and a meeting of the Council
Letters from Arthur E Brown of the Zoological Society of Philadelphia, to Philip Lutley Sclater regarding the birth of an African elephant
Letters from Christian Gottfried Ehrenberg, Secretary of Carolinische Akademie de Naturforsche, acknowledging receipt of the Proceedings of the Zoological Society for 1830-31
Letters from Thomas Henry Huxley to Philip Lutley Sclater asking about available birds for dissection, meetings of the Council of the Zoological Society of London, proofs and woodcuts for a paper, specimens of birds and the Marine Biological Association
Letter from the Marine Biological Association of the United Kingdom to the Zoological Society of London regarding the transportation of six tubes, some flat fish (lemon soles and plaice), a few rays, dogfish and some spider crabs. Also a price list of marine specimens