The sub-series contains eleven files of correspondence between Vineberg and members of his family or correspondence pertaining to them. The files are arranged alphabetically.

Includes correspondence, bills, sympathy cards, advertisements, telegrams and one copy of a lecture.

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.

Subseries consists of chiefly of Osler's correspondence collected by Cushing relating to the period between 1886 to 1904, during which time Osler was in Philadelphia and then Baltimore. Correspondence includes both original letters and transcriptions of letters. In addition to correspondence are some accompanying notes (both by Cushing and by Osler), clippings, articles, and other ephemera related to Osler.

This sub-series consists of letters exchanged between Wilder Penfield and his family, friends, and acquaintances. The correspondence is of a general and family nature, but covers many aspects of Penfield’s life, including his financial affairs, the indemnity sought for injuries sustained in the Sussex disaster, contacts with medical and scientific men, personal friendships, and a few letters regarding his partnership with Dr. William Cone. A small amount of professional correspondence also appears in this sub-series.

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.