Subseries consists of chiefly of Osler's correspondence collected by Cushing beginning in 1905 with Osler's appointment at Oxford University until his death in 1919. 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.

Sub-series consists of patients records started after 1973, and which were consulted between 1973 and Dr. Segall's retirement.

Sub-series consists of patients records started prior to 1973, and which were consulted between 1973 and Dr. Segall's retirement.

Subseries D consists of a collection of magazines and periodicals that Harold Spence-Sales curated. The topics of the magazines and periodicals pertains to issues in architecture and urban planning.

Many of the magazines and periodicals feature Moshe Safdie; particularly the ones in box C-97-46.

Subseries consists of correspondence, notes, working plan for the publication of the first volume of The Persisting Osler. It shows the outlines of the project. Contains two files.

This sub-series consists of personal correspondence as well as greeting and holiday cards which mostly document Parent's relationships with friends and colleagues from her work with unions and activism. Also included is a file of correspondence, including inventories, on Parent and Kent Rowley's papers held by the Public Archives of Canada, now known as Library and Archives Canada.

The personal correspondence subseries includes letters of a non-literary nature with Morrissey’s family and friends. Included here are letters from Morrissey’s brother, John R. Morrissey; correspondence between Morrissey and his mother, Hilda Nichols; a correspondence between Morrissey and Pat McCarty and Sally McKenzie; a twenty-four year correspondence between Morrissey and R.R. Skinner; a correspondence between Morrissey and Hilde and Dennis Johnson; greeting cards and other letters. Box 22 contains business correspondence and miscellaneous letters.

This series contains several of Dr. Penfield's personal appointment diaries, and several diaries of his wife, Helen Kermott Penfiedl. It also currently includes a photograph album from 1913-1916, a scrapbook from Dr. Penfield's time at Galahad School (1905), some miscellaneous material collected by Dr. William Feindel concerning Dr. Penfield and the Montreal Neurological Institute, and an old reprint mailing list compiled by Dr. Penfield.

This sub-series contains passports of Helen Kermott Penfield.