Letter from Antwerp Zoo, with papers on Consideration Upon the Necessity of Coordinating All Observations Taken on Okapis Living in Captivity, and Ways in Exhibiting Birds in Cages

Correspondence with Geoffrey Marr Vevers regarding Eider Ducks that were bred by Lieutenant Colonel Lumsden

Correspondence between W H Hale and George Soper Cansdale regarding the export of animals from Kenya and lists of approved Zoos

Correspondence between N Melides and George Soper Cansdale regarding the exchange of birds for breeding purposes

Correspondence between G Kenneth Whitehead and George Soper Cansdale regarding the stock of Muntjac at London and Whipsnade Zoos