1950- American Surgical Association
- 1 p.
- Letter from Dr. Oliver Cope (Chairman, Committee on Graduate Surgical Education, American Surgical Association) to WGP
1950- American Surgical Association
- 1 p.
- Letter from Dr. W.A. Altemeier (Secretary, American Surgical Association) to members of the American Surgical Association
1951 Appointment diary
Dr. Penfield's 1951 appointment diary. Includes a list of meetings attended in back of diary.
1952 Appointment diary
Dr. Penfield's 1952 appointment diary. Includes a list of meetings at back, some notes on papers given.
1953 Appointment diary
Dr. Penfield's 1953 appointment diary. Includes a list of meetings, notes of papers, also for 1954 and 1955.
1954 Appointment diary
Dr. Penfield's 1954 appointment diary. Includes a list of meetings in back of diary.