Series C contains Dr. Elliott’s correspondence relating to his involvement with American, Canadian, British and South African associations of scientific workers. This series includes newspaper clippings, research notes, drafts and typescripts of speeches and publications for the various associations. This series is comprised of 25 files (nos. 51 to 75).

Series D contains correspondence concerning topics of Dr. Elliott’s professional interest.
This series is divided into two (2) sub-series:
D/1) Correspondence, 1944-1986
D/2) General correspondence, 1936-1985

Series E contains course seminar notes, copies of exams, lectures notes and correspondence. Dr. Elliott’s recommendations for students and colleagues and his academic certificates and awards are included in this series. Correspondence relating to Dr. Elliott’s visits to certain countries to teach is also included. This sub-series is comprised of 22 files (nos. 146 to 180).

Series F contains slides concerning the examination of brain swelling, acetylcholine experiments, gamma amino butyric acid experiments, as well as other research projects. All slides were used for lectures presented for the Montreal Neurological Institute and the Department of Biochemistry, McGill University, and the University of Pennsylvania. This sub-series is comprised of 22 files (no. 181 to 200).

Series G contains Dr. Elliott’s personal travel slides, some portrait photograph slides of Dr. Elliott and others at McGill University. This sub-series also includes photographs of association gatherings, staff photographs of the Department of Neurochemistry and the Montreal Neurological Institute. Various portrait photographs and ones of medical instruments are also included.

This series is divided into four (4) sub-series:
G/1) Slides, 1962-1975
G/2) Photographs, 1920-1968
G/3) Drawings, 1943-1958
G/4) Postcards, 1959-1986

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.

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

Consists of a collection of records relating to Charles Lewis's father's records (also named Charles Lewis).

Series contains material related to Charles Lewis’s pharmacy accreditation and practice. It contains diplomas, licenses, certificates, patent documents, catalogues, testimonials, notes, correspondence, legal documents, financial documents, business documents, and obituaries.