Estimate for the Formation of the Proposed Aquarium under the Mappin Terraces, 1922; Building Contract between ZSL and J Jarvis & Sons, 1922; notes on progress, 1923; details of costs, 1924; plan of new flue pipe in the Aquarium, undated.

Report of guide to indicative cost for the refurbishment of the Aquarium building at London Zoo for Zoo Operations Limited by Gardiner & Theobald

Volume listing holders of ivory tickets to both the Zoo and Aquarium, between 1897 and 1949. List seems not complete. Ivory tickets were issued as yearly entrances passes into the Zoo/Aquarium and would be handed over/shown at the gate in the same way

Report on the Aquarium to the War Emergency Committee

Report on the Aquarium to the War Emergency Committee

Volume titled as 'miscellanous record' which records income from guides (London, Whipsnade, and Aquarium guides) picture postcards, and rides.