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.

Copies of letters regarding the drainage system of the gardens of the Zoological Society into Regent's Canal, with accompanying map

A supplemental report to a City of Westminster Planning application on the Mappin Terraces and the Aquarium redevelopment at London Zoo