Correspondence between Paul 'Espinasse and George Soper Cansdale regarding sinks and tanks for keeping marine and freshwater fish
Letter from Joseph Miller to present 'the Gentleman who belongs to the Zoological Society and whose name he cannot at this moment call to mind - a Lobster...if he thinks it worth his acceptance. If he has any time a ticket or two to spare he and his family, which are numerous, to see the gardens if he thinks them deserving of them.' He will be glad to provide any curious fish to the Society
Letter from the Zoological Society of London to Joao de Freitas Martins regarding his offer to supervise the shipping of consignments of Madeira fish to the Aquarium
Letter from W A Willes to Philip Lutley Sclater concerning the introduction of salmon to New Zealand
Letter from M Swainson regarding the collection of fish purchased from the Zoological Society of London from the museum of Mr Guilding
Letters from Morton Allport to Philip Lutley Sclater about the introduction of salmon to the waters of Tasmania
Correspondence between the Marine Biological Association and Geoffrey Marr Vevers regarding the sale of fish to the Zoological Society of London
Correspondence between O T Rodriges and George Soper Cansdale regarding Madeira Fish sent to the Zoological Society of London Aquarium
Correspondence between T W Burdon and George Soper Cansdale regarding a request for carp fry and padi-field fish to the Zoological Society of London
Correspondence between the Fisheries Office in Hong Kong and George Soper Cansdale regarding the supply of fry and tins to the Zoological Society of London, and a decision not to go forward with a scheme to set up a typical Chinese fish pond as an ecological exhibition at London Zoo