Series contains a collection of programmes from medical meetings, mostly those of associations. Some programmes note Maude Abbott's participation. Some are accompanied by related ephemera, including letters, invitations, or publications.

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).

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).

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

This series contains personal and family records of various kinds. Examples include correspondence, school and university study notes, official and unofficial documents, financial records, and photographs.

This series contains material concerning the "Sussex", an English Channel passenger steamer on which Dr. Penfield was travelling in 1916 when it was hit by a German torpedo.

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)