Plan showing the proposed extension to the Main Entrance at ZSL London Zoo

Report and plans for the Education Centre at ZSL London Zoo

Proposal by Burrell Hayward & Budd, Walter Llewellyn & Sons Ltd for the refurbishment of the Penguin Pool at ZSL London Zoo

Plans of a Primate House that was never built. Undated, but possibly 1960s.

Papers regarding the Michael Sobell Pavilions for Apes and Monkeys at ZSL London Zoo, including Council minutes, memorandums, briefs, plans and correspondence

Floor plans of the South Block of the Primate Centre at ZSL London Zoo

Memorandum by the Secretary on the development of the Society's property at Whipsnade

Preliminary proposal for an elevated monorail at London Zoo by Pleasurerail Limited

Discussions on plants for the Aviary