Subseries consists of two files of ad hoc committees set up to study particular matters. The first file [P125/B4.1] contains records of the Committee on Medical History among Young Physicians and the second one [P125/B4.2] gathers information generated by the Ad Hoc Committee on the Oslerian Book.

Subseries consists of reports submitted to the attention of the Board of Governors. Contains one file with two reports: one on the sale of the Aequanimitas tie and one on membership criteria.

Subseries contains correspondence sent by the Secretary-Treasurer to the members about the activities of the association. Includes circular letters, membership lists, membership proposals, minutes and reprints.

Subseries contains financial statements concerning the financial accounts of the association, audit reports, investment reports, and documents created by the AOS Financial Committee.

Subseries contains a sample of the certificate that is presented to new members as well as a photograph of a medal of Sir William Osler.

Subseries contains abstracts submitted for annual meeting and presentations made at these occasions. The fourteen files are arranged in chronological order and includes correspondence, presentations and abstracts.

This sub-series contains letters collected and kept by Helen Kermott Penfield. The bulk of these letters are from Wilder Penfield. Penfield wrote to Helen almost every second day, sending her detailed accounts of life at Princeton and Oxford, as well as extensive descriptions on his personal outlook and inner life. Helen preserved these letters in meticulous order. This sub-series also contains letters from Helen’s mother and grandmother among others. Finally, this sub-series contains a great number of condolences received following the death of Wilder Penfield.

This sub-series consists of correspondence regarding the funding, research, writing and publication of Something Hidden, and its spin-off film. This series also contains a few letters sent by Lewis to acquaintances of the Penfield’s, who responded to Lewis’ request by returning material sent by the Penfield’s to others and retrieved by Lewis by request. This series also contains a small amount of correspondence concerning the Penfield property at Magog Meadows.

Subseries consists of documents generated by the activities of the committee. Includes correspondence, report, copy of last will and testament, application forms, drafts of announces and request of information.

Subseries consists of successful candidates files related to the William B. Bean Student Research Award. A typical candidate file contains applications forms, research proposals, curriculum vitae and bibliographies, letter of appraisal, correspondence and notification of award.