Series consists of two subseries. Subseries P125/P1 Charles S. Bryan Papers contains materials such as reprints and articles prepared for filing by Bryan. Subseries P125/P2 consists of albums prepared by Bryan.

Subseries consists of albums containing copies of The Oslerian newsletter; photographs of members from annual meetings; and programs and abstract booklets from annual meetings prepared and arranged chronologically into albums by Bryan. Consists of two files

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 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 contains documents relating to the budget of the annual meeting and the financial operations linked with this activity such as reimbursement of travel expenses. Includes correspondence, newspaper clipping, photocopies of checks, list statement, and a letter of agreement.

Brochure for the exhibition held at the The John A. Schweitzer Gallery, Archives and Research Collections Centre, The University of Western Ontario, London, 2009.

Series consists of two subseries: P125/C1 Correspondence of the Officers and P125/C2 Correspondence with Members. Includes almost only correspondence.

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.

Series consists of notes and photocopies compiled by Earl Nation re. Geoffrey Jefferson (formerly Acc. 549), and correspondence with I.N. Dubin, M.D. (formerly Acc. 591).