The Ephemera sub-subseries consists of miscellaneous, non-greeting card items, composed of 5 printed documents and 1 physical object. In it are writers, small pamphlets destined to provide the reader with tips on how to write letters and messages to all sorts of people, as well as greeting card catalogs and press. There is also a wall pocket, presumably used to hold cards, that was equally being sold by wholesalers of greeting cards.

Subseries consists of individual biographies and iconographic data on Dr. Penfield (WGP) and family. (E/I-WGP = Events / Individuals-Personal)

Sub-subseries consists of published accounts regarding Dr. Penfield (WGP). This series contains material related to talks, honours, etc. which were inspired by Dr. Penfield. It also contains materials related to Dr. Penfield's final illness and death in 1976. (E/P-WGP = Events / Published-Personal)

Sub-subseries consists of published accounts regarding McGill University. (E/PM = Events / Published McGill)

Sub-subseries consists of published accounts regarding the Montreal Neurological Institute. (E/PN = Events / Published Neuro.)

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

Sub-subseries consists of published photo stories about the Montreal Neurological Institute. (E/PV = Events / Published Visual)

Sub-subserise consists of pictorial records of events at the Montreal Neurological Institute. (E/VN = Events / Visual Neuro.)

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)

Sub-subseries consists of portraits and portrait snaps of Dr. Penfield and his family, in vertical files. (E/V-WGP = Events / Visual-Personal)