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'

Letters from Richard Higgins Burne of the Royal College of Surgeons of England, regarding a copy of Joan Procter's paper on pit vipers and her paper on T. loveridgii