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).

files 445-450, 501, 516, 807, 1290, 1540-1547

Series consists chiefly of letters between Maude Abbott and her sisters, as well as other personal correspondence. One correspondent represented in the series is Dr. C. F. Martin, a McGill physician who was a friend and advisor to Abbott. Other correspondemts include Lady Osler, Archibald Malloch, Walter Chipman, Thomas McCrae, and Lady Drummond. Two letters exist from W. W. F. Francis. Two letters related to the No. 3 Canadian General Hospital (with correspondents H. S. Birkett and Edward Archibald).

Series consists of a drawer of catalogue cards with information concerning most MNI Fellows from between the institute's opening to the 1970s. Much of this information consists of mailing addresses which were compiled in the late 1970s and early 1980s, and is thus likely no longer accurate. Many of the cards are also accompanied by photographs of the particular Fellow.

Series reflects the Vinberg's film projects and records related to audiovisual production (including a slide show about the history and evolution of coronary bypass surgery.Contains drafts scripts, correspondence, manuscript notes, films, lists, flyer, one agreement of use, telegrams, business card, notes, sales tax and custom exemption certificate, fact sheet, photograph, pencil sketches, newspaper clipping, catalog, consent forms, sketching of scenarios. Includes shots of Vineberg operation, shots of a heart beating, files from a French-Canadian co-production from a pharmaceutical laboratory, a film of Vineberg showing his operation,
and the film "Myocardial Revascularization - Vineberg Procedure", projected at Expo 1968 and which won a Golden Eagle Award in 1967 at the Sao Paulo Festival (IV International Exhibition of the Scientific Film of Brazil).

Series consists of four subseries: P125/D1 Budget, P125/D2 Gifts and Donations, P125/D3 Tax Status and P125/D4 Financial Statements.

Series B contains EKG and EEG studies for Dr. Herbert Jasper pertaining to gamma-amino-butyric acid. This series is comprised of 3 files (nos. 48 to 50), which are arranged chronologically.

This series contains varied materials created or kept by Helen Kermott Penfield. The series consists of letters, almost exclusively from Wilder, personal documents, diaries, and memorabilia, including an extensive family chronicle composed by Helen. The materials reflect above all Helen’s relationship with Wilder, but give a glimpse of her childhood and education, service in the war, life in England, social activities in Montreal, and travels with Wilder. This series is divided into four sub-series: diaries, correspondence, personal papers, and memorabilia.

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