Letter from George Albert Boulenger congratulating Joan Procter on her appointment at London Zoo
Letters from Edward George Boulenger to Joan Procter regarding Salamander larvae, attendance at Zoological Society of London Scientific Meetings, the purchase of alligators, the transformation of axolotl, snakes for sale, a reference to a crab-eating frog, her exhibition of the batrachia in the public galleries, and the death of reptiles deposited by Joan Procter
Letters from William Bateson of the John Innes Horticultural Institution regarding frogs and further research
Letter from Eirene A Botting, thanking Joan Procter for her congratulations, snakes and her work for the government
Letters from Eric Burrows regarding tickets for entrance to London Zoo, and congratulations on her appointment. He had found food for her salamanders when Joan Procter lived at Kensington
Letters from Nellie Louise Condon regarding the address of Methuen and Co publishers, and the Reptile Study Society of America
Letters from Wilfred Cooksey Crowther regarding specimens such as Terrapins, Geckoes, Chameleons and Boas
Letter from Stanley Smyth Flower to Joan Procter giving thanks for her paper on Testudo Loveridgii which she had sent him
Letters from George Bernard Gooch to Joan Procter regarding his studies in school, his interest in reptiles and thanking Procter for specimens
Correspondence between Lancelot Hogben and Joan Procter regarding articles that had been written about her