This series consists of objects or artifacts that belonged to Dr. Penfield.

This series consists of most of Dr. Penfield's correspondence. The series is composed of three sub-series corresponding to Dr. Penfield's "Simple System." (C = Correspondence)

This series consists of records generated by Dr. Penfield as an employee of McGill University or the Montreal Neurological Institute. Most of the material in this series is the property of those institutions, and is not considered personal material.

Series consists of miscellaneous material produced and collected by Dr. Penfield. This series includes art work, notes, and correspondence, as well as Dr. Penfield's academic robes and hats. This includes copies of the French 'Bulletin de l'Académie Royale de medecine', 'Bulletin de l'Académie nationale de medecine' and 3 editions of the Montreal La Lancette Canadienne journal. The series also includes less than 1 cm of photographs (found in file J 13-1), a framed diploma (file J 2-3) and selections for an exhibit from 1991 by William Feindel.

This series contains a group of calendars, or diaries, kept by Dr. Penfield's wife between 1947 and 1974.

This series contains correspondence between Helen Kermott Penfield and Wilder Graves Penfield, as well as other friends and family between 1920 and 1932.

This series contains correspondence between Dr. Penfield and friends and colleagues, as well as social and professional institutions. The series' contents were found at the Montreal Neurological Institute in 2008, and thus, were not included with original correspondence series (Series C) of the Penfield Archive. The records in this series have been catalogued at the item level.

The series is comprised of personal and appointment diaries, recording Dr. Penfield's work engagements, personal thoughts, and travels between 1904 and 1976. The series also includes two scrap books and several diaries by Dr. Penfield's wife, Helen Kermott Penfield.

This series contains typed drafts and published sermons both written and delivered by Dr. Penfield, as well as published sermons by various Presbyterian/United Church ministers.