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.

Files which are associated with administration of the MNI, but which contain personal materials and records that belonged to Dr. Penfield.

A file of photographs, all of which are of members of Dr. Penfield's family, or are of places connected to his family. The file is labeled "Photos. Spokane Hudson." The images were taken between Dr. Penfield's birth and death (1891-1976).

Guest Book - "Camp Recreation".

This series consists of the manuscripts, and related materials, of Dr. Penfield's published and unpublished writings.

Subseries consists of unpublished writings, arranged by subject. This sub-series includes lecture notes, unfinished jobs, and some published writings. In addition, W/US 33, 34 and 35 consist of similar material which was found loose in Dr. Penfield's office after his death. (W/US = Writings / Unpublished by Subject)

Framed page with poem inscribed on a blank page from the Autopsy Book, by John McCrae, M.D. when resident Pathologist at the Montreal General Hospital. (Access #78, from Dr. Cone's Office, through Dr. Feindel)

This series contains several of Dr. Penfield's personal appointment diaries, and several diaries of his wife, Helen Kermott Penfiedl. It also currently includes a photograph album from 1913-1916, a scrapbook from Dr. Penfield's time at Galahad School (1905), some miscellaneous material collected by Dr. William Feindel concerning Dr. Penfield and the Montreal Neurological Institute, and an old reprint mailing list compiled by Dr. Penfield.

Subseries consists of general pictorial records concerning Dr. Penfield, the Montreal Neurological Institute, and other individuals in the field of neurology. (E/V = Events / Visual)

This series includes records of events, biographical and historical data, and many visual materials. Much of this material is ephemeral and was originally found in Dr. Penfield and Mrs. Penfield's boxes of memorabilia. The series is divided into 15 subseries, each of which may be grouped into two divisions: general and personal (indicated by addition of WGP to file identifier).