Letter from David William Mitchell to John Alexander Hope, 6th Earl of Hopetoun, regarding his membership of the Zoological Society of London
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 J W Hope with lists of scientific names of insects with some descriptions
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 Sir Joseph Dalton Hooker to Philip Lutley Sclater regarding collections of birds and botany
Correspondence between Raymond Hook and Geoffrey Marr Vevers regarding the purchase of animals from Kenya for the Zoological Society of London
Correspondence regarding specimens of Sigmodon and Orkney Voles, animals sent by Raymond Hook and the financing of collections of animals
Correspondence between Raymond Hook and Geoffrey Marr Vevers regarding offers of animals including a Rock Hyrax, a pair of Rhinos, Reticulated Giraffes and Grevy's Zebras
Correspondence between Mr Hook and Geoffrey Marr Vevers regarding the safe arrival of the Webb collection and the Crested Bush Rat and Woodford's Owl that Hook presented to the Zoological Society of London