This sub-series consists of diaries, photocopies of diaries, a datebook, and travel notes kept by Helen Penfield at various points in her life.

This sub-series contains letters collected and kept by Helen Kermott Penfield. The bulk of these letters are from Wilder Penfield. Penfield wrote to Helen almost every second day, sending her detailed accounts of life at Princeton and Oxford, as well as extensive descriptions on his personal outlook and inner life. Helen preserved these letters in meticulous order. This sub-series also contains letters from Helen’s mother and grandmother among others. Finally, this sub-series contains a great number of condolences received following the death of Wilder Penfield.

This sub-series contains passports of Helen Kermott Penfield.

This sub-series consists of varied materials including maps, event programs, newspaper clippings, travel itineraries, and other souvenirs collected by Helen to commemorate events, experiences, or places visited throughout her life with Wilder. This sub-series includes materials collection by Helen from her service in the war, her life in England, her travels with Wilder, and her varied social activities in Montreal. This sub-series also contains Helen’s detailed family chronicle spanning the years 1921-1963, and a biographical sketch of Wilder, written in 1956.

This sub-series consists of correspondence regarding the funding, research, writing and publication of Something Hidden, and its spin-off film. This series also contains a few letters sent by Lewis to acquaintances of the Penfield’s, who responded to Lewis’ request by returning material sent by the Penfield’s to others and retrieved by Lewis by request. This series also contains a small amount of correspondence concerning the Penfield property at Magog Meadows.

This sub-series consists of all manner of notes and a variety of secondary materials gathered by Lewis as he researched the life of his grandfather. Secondary materials include historical publications, photocopies of reference works, scientific article reprints, and newspaper and magazine clippings. These series also contains dubbed copies of taped interviews with Penfield obtained by Lewis through the CBC, as well as transcripts of these interviews and others conducted by Lewis in the course of preparing the biography.

This sub-series consists of various drafts of Something Hidden. The drafts are not always easy to distinguish in terms of chronological sequence, but an effort was made during the initial processing to roughly order the drafts by version and divide them by chapter. Also included are notes for additions and deletions, labeled “Adds and Outs.” At times, some research notes and primary Penfield material are interfiled with the drafts. This series also includes a draft of the screenplay for the film.

This sub-series contains one small red leather pouch with “H. Lewis” written in pen on the interior and one empty metal frame included in the original donation and accessioned with the rest of the collection.

Lab notebooks used by Pappius during her research activities.

Documents related to the production of research data.

Raw data in the form of computer-printed tables constitutes much of the series, with some statistical summaries and graphical presentations of data. Many files contain autoradiograph negatives of rat brains.