Letter from Arthur Loveridge of the Museum of Comparative Zoology at Harvard University, to Joan Procter regarding a shipment of reptiles for London Zoo
Letters from a schoolboy called John Brandon Jones to Joan Procter regarding visits to London Zoo and congratulating her on her role as Curator of Reptiles
Correspondence with Harding Cox requesting Joan Procter to write a book on Reptiles for general readers
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 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