Letter from Karl Schmidt, Assistant Curator of Reptiles and Amphibians at the Field Museum of Natural History, regarding Procter leaving the British Museum and accepting an appointment at the Zoological Society of London
Letters from Alexander Ruthven of the University of Michigan, congratulating Joan Procter on her appointment at the Zoological Society of London
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
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'
Postcard to Joan Procter from M Phisalix to say that they did not publish any work about reptiles during 1920
Letter from Cecilia Payne to Joan Procter a request to see Procter before she goes to college, and Procter's work on Salamanders
Envelope from Riccardo Pascoli containing pressed flowers for Joan Procter
Letter from Gladwyn Noble of the American Museum of Natural History, to Joan Procter regarding exchanges of specimens with the Zoological Society of London
Letter from M Nasbet asking Joan Procter how she was and wishing her a happy Christmas