Subseries consists of correspondence, paperwork, and articles concerning films, recordings, and television broadcasts that involved Dr. Penfield.

Subseries consists of clippings, memorabilia and pictures, filed chronologically by date, i.e. year-month-day (E/K 70-5-16).

Subseries consists of files containing additional material used by Dr. Penfield in the production of some of his published articles.

Subseries consists of published accounts (articles or stories). (E/P = Events / Published)

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)

Subseries consists of subject files of correspondence (C/S = Correspondence/Subject). Most of these files were active up until Dr. Penfield's death and are largely grouped by subject. They may extend over a number of years but seem to indicate a continuing interest on the part of Dr. Penfield.

Sub-series includes all of Dr. Penfield's "correspondence-domestic", or personal correspondence, which was taken mostly from his office at the Montreal Neurological Institute. There are also files that were taken from his home rather than his office (these were previously indicated by the prefix "D" in the file number). This sub-series includes material which Dr. Penfield had collected before arriving at McGill in 1928. In particular, it includes correspondence between Dr. Penfield and his wife, Helen Kermott Penfield.

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

Sub-series consists of general correspondence, essentially inactive files kept for reference (C/G = Correspondence General).

This sub-series includes the notes, drafts, correspondence, and other records Dr. Penfield produced and collected in creating his various books. (W/B = Writings / Books)