Correspondence with Winston Churchill regarding his four black swans
Correspondence with Dr Coldstream regarding the American Reptile Study Society, and a tour of the reptile house for his son and his friend
Letters from Nellie Louise Condon regarding the address of Methuen and Co publishers, and the Reptile Study Society of America
Correspondence regarding the transportation of a Guiana Cylinder Snake and a Hosewhip Snake from Plantation Diamond
Correspondence with the Coryndon Museum regarding the sale of an Ostrich to the Zoological Society of London, and the offer of a Cricetomys and a Hinged Tortoise
Letter from Charles Alexander de Cosson regarding Joan Procter's paper on Lacheris
Correspondence with fa. Corstens-Vershuren regarding the purchase of birds by the Zoological Society of London
Correspondence with Harding Cox requesting Joan Procter to write a book on Reptiles for general readers
Letters from Wilfred Cooksey Crowther regarding specimens such as Terrapins, Geckoes, Chameleons and Boas
Letter from J Van Denburgh of the California Academy of Sciences, regarding publications of Joan Procter and Mr Boulenger which she sent to him