Correspondence between Copenhagen Zoo and George Soper Cansdale regarding a request for a dozen Ruffs for the Zoological Society of London, the Zoo Directors' Congress, and a consignment of mammals, birds and reptiles from Australia

Correspondence with Geoffrey Marr Vevers regarding sending a representative from Taronga Zoological Park to the Zoological Society of London to study their methods of combating various diseases which Melbourne Aquarium were suffering from