Series consists of seven subseries: P125/F1 Program, P125/F2 Correspondence, P125/F3 Accounting, P125/4 Abstracts and Presentations, P125/F5 Presidential Address, P125/F6 Final Report, P125/F7 Photographs.

Subseries consists of photographs taken at annual meetings of the American Osler Society. It also includes some group photos of the members.

Subseries consists of minutes of the meetings of the board of governors and general business meetings, which are held on the occasion of the annual meeting of the American Osler Society. Includes agenda, minutes, related documents, correspondence, drafts, reports of the secretary-treasurer, statements of receipts and disbursements, lists of attendees, posters. Some documents are annotated.

Subseries contains membership proposal files of successful and unsuccessful candidates, showing the recruitment of the association. Includes membership proposal forms, correspondence, curriculum vitae, bibliographies, an obituary notice, reprints and photographs

Series consists of five subseries: P125/B1 Officers, P125/B2 Board of Governors Meetings, P125/B3 Standing Committees, P125/B4 Ad Hoc Committees, P125/B5 Reports. Includes agenda, minutes, related documents, correspondence, drafts, reports, statements of receipts and disbursements, lists of officers, lists of attendees, posters and proposals.

Subseries contains membership list.

Subseries consists of some of the presidential address texts given at the annual meeting of the American Osler Society. Includes a draft, a newspaper clipping, working notes, bibliographies and an text of introduction of the presidential address.

Subseries contains documents of the program committee, correspondence regarding the organization and the logistic for the annual meeting, the invitations, the general information, regrets and thank you notes. Includes correspondence, drafts, preliminary programs, ballots, flyers, newspaper clippings, reprints, press release, function orders.

Subseries consists of reports of the events that occurred on the annual meeting. It gives a summary of the election of the officers of the American Osler Society, a report of attendance and payments and a roster of attendance at the annual meeting, as well as a listing of the lectures presented at the annual meeting itself. The form and content of the report varies over the year.