Letters from Alexander Agassiz to Philip Lutley Sclater about the collections of British Museum and Jardin du Plantes, Paris
Letters from Thomas George Baring to Philip Lutley Sclater regarding the Zoological Gardens at Calcutta
Letter sent by G P Clifford to Philip Lutley Sclater regarding birds sent by the Otago Acclimatisation Society to the Zoological Society of London
Correspondence between the Zoo-Centre in Brussels and Geoffrey Marr Vevers regarding the transfer of birds and Wallabies
Correspondence between Geoffrey Marr Vevers and Philadelphia Zoological Garden regarding shipments of animals between their zoos, including Kodiak Bears, Coyotes, Raccoons, Aoudads, Thars, Opposums, Turkey Vultures, Screech Owls, Robins, Purple Grackles, Wood Thrushes, Olive-backed Thrush, Bicknell's Thrush, reptiles and amphibians
Correspondence between Baghdad Zoo and Geoffrey Marr Vevers regarding the proposed opening of a Zoological Garden in Baghdad
Correspondence between Belle Vue Zoo in Manchester and Geoffrey Marr Vevers regarding viper antivenin serums
Correspondence between Copenhagen Zoo and Geoffrey Marr Vevers regarding a visit to London and Whipsnade Zoos, with arrangements regarding the transfer of animals
Correspondence between Portland Zoological Park and Geoffrey Marr Vevers, and newspaper cuttings, regarding an exchange of reptiles, wallabies and hedgehogs
Correspondence between Prague Zoo and Geoffrey Marr Vevers regarding a pair of Bennett's Wallabies which were sent to Prague Zoo by the Zoological Society of London