Letter regarding specimens from Australia that were sent to the Reptile House

Letters from John Thomas Barber Beaumont, County Fire Officer, discussing the effectiveness of heating in the Elephant House

Letters from Richard Owen regarding remarks on Bennett's edition of White's Natural History of Selborne, proofs of Bennett's paper with appreciation of his opinion on the value of Ousimile on Macr. Porryi, additions and alterations to notes on Hyrax, his omitted note of the salivary bags of the Armadillo from the written report of its dissection, MS of Clavagella, plans of the Monkey House and whether it is heated by hot air or steam, arrangements at the Garden to facilitate repetition and extension of experiments by Mr Hunter in 1725/6/7 to determine the relations subsisting between Wolf, Jackall and Dog, examination of 'your little feli-viverrine quadruped, bones of Touraco and drawings of Terebratala for the Zoological Society of London, East India Goats for sale by Mr Evans Riadone, an introduction to Mr Meade, a senior student at St Bartholomew's and a comparative anatomist and articulator of skeletons who wished to become a candidate for the College of Surgeons curatorship, and a request for Bennett to check a reference to 'Zoologie de la Caquille'

Letter regarding a shipment of sea water to the River Thames for use in the Aquarium of the Zoological Society of London

Correspondence between Malcolm Campbell Ltd and Geoffrey Marr Vevers regarding labels for the Reptile House and Children's Zoo

Correspondence between Gwynne Vevers and Geoffrey Marr Vevers regarding wages for a resident man and wife, water requirements in the Aquarium, a visit by the Supervisor of the Aquarium at London Zoo to the Marine Biological Association of the United Kingdom, and arctic publications

Plan showing alterations to the Zoological Society of London Meeting Room (now ZSL Library)

Correspondence and memos on the Aquarium

Report by Oscar Faber on London Zoo Aquarium Services Building and Operational Services

Report on the structure of London Zoo Aquarium by Oscar Faber