Letters from Sir Peter Chalmers Mitchell to Joan Procter regarding a meeting of the Aquarium Committee and Procter's assistance in designing and making models of the rockwork decoration for the tanks
Letters from Nanny to Joan Procter, thanking her for tickets to the Zoo and other matters
Letter from M Nasbet asking Joan Procter how she was and wishing her a happy Christmas
Letter from Gladwyn Noble of the American Museum of Natural History, to Joan Procter regarding exchanges of specimens with the Zoological Society of London
Envelope from Riccardo Pascoli containing pressed flowers for Joan Procter
Letter from Cecilia Payne to Joan Procter a request to see Procter before she goes to college, and Procter's work on Salamanders
Postcard to Joan Procter from M Phisalix to say that they did not publish any work about reptiles during 1920
Letters from Albert Pinch of The Radium Institute to Joan Procter regarding her papers on the Pit Viper, 'Skull and Affinities of Rana Subsigillata, and 'Testudo Loveridgii Blgr'
Various postcards and letters for Joan Procter. Also notes on the Procter family from Fletcher's History of Yorkshire, tickets to an investiture by H.M. The King and a note from the Zoological Society of London to inform Procter that the Committee of Publication had accepted her paper on descriptions of a new Tree Frog