Series B contains correspondence between Dr. McNaughton and other professionals, as well as obituaries and newspaper clippings.

Series C contains a variety of images, such as of Dr. McNaughton, Dr. Penfield, Dr. Cone and other colleagues, as well as images related to his professional work, such as of brains.
This series is divided into nine (6) sub-series:
C/1) Photographs
C/2) Drawings
C/3) Slides
C/4) Postcards
C/5) Film reels
C/6) Technical drawing

Series A contains correspondence, newspaper clippings, research and teaching materiel, photographs and drafts of work from Dr. McNaughton’s association with McGill University, the Montreal Neurological Institute, the Royal Victoria Hospital, the Neuro Musical International, and various professional associations. Of special importance are the biographical files pertaining to Dr. Wilder Penfield. A large portion of this series is devoted to the study of headaches including drafts of works on this topic.