Letters from William Edward de Winton to Philip Lutley Sclater regarding appointment as Acting Superintendent of the Gardens of the Zoological Society of London and Secretary to the Garden Committee, and his resignation in 1903
Letters from H Windhorn to Philip Lutley Sclater regarding the transport and death of the Queen's Giraffe
Letters from G F Westerman, Director of the Zoological Gardens of the Society Natura Artis Magistra in Amsterdam, to Philip Lutley Sclater regarding a payment from the Zoological Society of London and the exchange of animals
Letter from Mr West to Philip Lutley Sclater regarding a pair of great-eared owls from Norway for the Zoological Society of London
Correspondence between Philip Lutley Sclater and West Middlesex Water Works regarding the charge for water supply at the Gardens of the Zoological Society of London
Letters from Arthur Richard Wellesley, 2nd Duke of Wellington, to Philip Lutley Sclater regarding Llamas for the Zoological Society of London
Letters from Frederick W Waller to Philip Lutley Sclater regarding No 3 Hanover Square, with a report and plans of the property
Letters from Alfred Russel Wallace to Philip Lutley Sclater regarding the purchase of a joint residential estate, extracts read at meetings of the Zoological Society of London, papers for the Proceedings of the Zoological Society of London and Natural Science, his publication on 'Monkeys - their structure, affinities and distribution', a shipment of birds for the Society, improvements to the Gardens of the Zoological Society of London, notes on the Umbrella Bird, his election as a Fellow, papers on marine mammals, opinions on theories by Darwin, Birds of Paradise, and a list of butterflies of Costa Rica
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 Jules Verreaux of the Museum d'Histoire Naturelle, to Philip Lutley Sclater