Correspondence between Toronto Zoo and George Soper Cansdale regarding the Lord Chamberlain providing the Zoological Society of London with a pair of King's Swans from the River Thames, which were then sent to Toronto Zoo in exchange for Beavers. Also other exchanges between Toronto Zoo and the Zoological Society of London

Correspondence between Charles Turner and George Soper Cansdale regarding a request for Swans from the Zoological Society of London

Correspondence between Wm Brown, Atkinson and Co Ltd and George Soper Cansdale regarding two pairs of young Black Swans, a present from the Government and people of Western Australia to Winston Churchill