Letters from Higginson and Vigors to Philip Lutley Sclater regarding the proposed Regent's Canal Railway
Letters from Berkeley Hill to Philip Lutley Sclater regarding a report of the Council of the Zoological Society of London and requesting changes in the bylaws as regards sales and special general meetings
Letters from Sir Clement Lloyd Hill to Philip Lutley Sclater regarding the way in which animals and birds were shot down in new countries, and draft reply concerning papers put out by the Zoological Society of London for the protection of birds
Letters from Thomas Hillier to Philip Lutley Sclater regarding complaints made about the nuisance arising from the drainage of the gardens of the Zoological Society of London into Regent's Canal
Letter from Thomas Hyde Hills to Philip Lutley Sclater regarding great coats for the keepers of the gardens of the Zoological Society of London
Letter from Edmund William Hunt Holdsworth to Philip Lutley Sclater regarding ornithology
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