Letters from William K Ball to David William Mitchell regarding a lion that was in possession of Sir Vincent Casolain and was to be deposited at the Zoological Society of London
Letters from Robert Ball, Secretary of the Royal Zoological Society of Ireland, to John Barlow regarding the exchange of animals with the Zoological Society of London
Correspondence between Stanley Baldwin and Geoffrey Marr Vevers regarding an offer of Indian reptiles to the Zoological Society of London
Letters from Sir Samuel White Baker to Philip Lutley Sclater regarding notes and sketches of Hippotragus Bakeri
Correspondence between the British Sailors Society and Geoffrey Marr Vevers regarding admission to the Zoological Society of London for trainee merchant seamen
Letter from William Baird to Philip Lutley Sclater regarding a paper containing the description of the new aplysia
Letters from Spencer Fullerton Baird of Washington to Philip Lutley Sclater regarding ornithology
Correspondence with Lady Olive Bailie regarding her trip to London Zoo and a tour of the birds, and invitation to see her collection of birds, and an offer of Masked Lovebirds for Lady Bailie
Correspondence between Baghdad Zoo and Geoffrey Marr Vevers regarding the proposed opening of a Zoological Garden in Baghdad
Letter from F Baddeley to Peter Chalmers Mitchell regarding the feeding of goats to serpents in the Gardens of the Zoological Society of London