The Rebus Valentines sub-subseries consists of printed valentines that contain puzzles or cryptographic messages that the recipient must decipher. This can include messages written in hieroglyphics or hidden in endless knots.

Includes correspondence, bills, notes, statements of account, claims, medical reports, evaluationn, records of payments, newspaper clippings, application forms, receipts, contracts, certificates of insurances, statements, invoices, reports of accidents, bank draft, insurances policies, repair estimates, proof of loss, annuities, appraisals.

Insurances : liability, disability, fire, malpractice, automobile, malpractice, household goods and personal effects, life insurances.

1. American College of Surgeons Insurance Program
2. British Pacific Life Insurance Company
3. Canadian Government Annuities
4. Canadian Medical Protective Association
5. Churchill-Smith & Sutherland Ltd.
6. Compagnie d'assurance-vie de Montreal
7. Crown Life Insurance Co.
8. Dale & Company Limited/Ralph V. Cummings
9. Federal Insurance Company
10. Lewis, Apedaile & Hanson, Inc.
11. Lowndes Lambert
12. Montreal Life Insurance Company
13. Monntreal Medico-Chirurgical Society Group Plans
14. Morris & Mackenzie Limited
15. Mutual of Omaha Insurance
16. Peerless Insurance Agencies LImited
17. Quebec Medical Association Group Disability Insurance
18. Royal Automobile Club of Canada
19. Miscellaneous

Sub-subseries consists of published material concerning McGill University and/or Dr. Penfield. (E/PS = Events / Published Standard)

Sub-subseries consists of visual and some textual information concerning particular neurological cases. This material was sent to Dr. Penfield by other neurologists. (E/VS = Events / Visual Sent)

The sub-subseries consists of twenty miscellaneous geological maps, charts, and plans of Egypt, Sinai Peninsula, Rome, Manitoba, British Columbia, Northwest Territories, Newfoundland, New Brunswick, the eastern part of British North America, Snake River, Montana, Wyoming, Wisconsin, St. Lawrence River, Cumberland Coal Field, North Pole, and Pictou Harbour. Maps are both printed and hand-drawn.