Correspondence between the Societe Royale de Zoologie D'Anvers in Antwerp and Geoffrey Marr Vevers regarding a lioness called Raie which was sent by the Zoological Society of London, and a Chimpanzee which was sent by the Societe Royale de Zoologie D'Anvers to the Zoological Society of London

Letters from A de Borre of the Musee Royal d'Histoire Naturelle Brussels, to Philip Lutley Sclater

Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding visit by Landsborough Thomson to Naples and Rome