Letters from Sir Joseph Dalton Hooker to Philip Lutley Sclater regarding collections of birds and botany
Letter from Sir William Jackson Hooker to Philip Lutley Sclater regarding trees and shrubs he sent to Ascension Island, and ornithological advice for the Admiralty
Letters from John Alexander Hope to Philip Lutley Sclater regarding his subscription and election of the fellowship of the Zoological Society of London
Letter from John Horrocks to Philip Lutley Sclater regarding his subscription to the Zoological Society of London
Letter from Victor Alexander Haden Horsley to Philip Lutley Sclater asking when Mr Sawyer's elephant was likely to drop her calf
Letters from William Henry Hudson to Philip Lutley Sclater regarding cuckoos, shipments of birds to the Smithsonian, Woodpeckers in Argentina, Blackbirds and other birds
Letters from Martin Theodor von Hueglin to Philip Lutley Sclater regarding his departure for Spitzbergen and his treasures of the three natural kingdoms
Letter from J Hunter to Philip Lutley Sclater regarding finding a gardener for John Young
Letters from Hunter and English to Philip Lutley Sclater regarding the well pumps in the gardens of the Zoological Society of London, with a report on the well and pumps
Letters from Hussey, H C to Philip Lutley Sclater regarding the feeding of goats to the python at the Zoological Society of London