Fonds consists of correspondence, journals, and newspaper clippings related to the family of Thomas Alexander Stewart and Frances Stewart. Many papers originate from the family of their son, Henry Louis Stewart. Also included is one photograph, a sketch of Auburn, the family homestead, and a hand-drawn map.

Collection consists of a complete set (10 volumes) of the Stereoscopic Studies of Anatomy, prepared under authority of the University of Edinburgh by Professor D.J. Cunningham, and edited by David Waterston, Professor M.H. Cryer, and Frederick E. Neres. New Revised Edition. New York: Imperial Publishing Company, 1911.

Each volume contains approx 20-26 stereographic photographs depicting the human body, mounted on board, along with textual description.

Volumes 1-5 are in box 1. Volumes 6-10 are in box 2. The volumes are as follows:

1. Cranio-cerebral topography and central nervous system
2. Central nervous system, continued, and head and neck
3. Thorax, heart, and pericardium
4. Mediastina, lungs, and upper limb
5. Lumbar region, abdomen, and inguinal region
6. Viscera and perineum
7. Pelvis and lower limb
8. Lower limb, continued
9. Internal anatomy of the face
10. Temporal bone and internal ear

Collection also includes a stereoscopic viewer, which is kept in the Archivist's office.

File consists of photographs of Robert Stephenson (d.2012). He was chair of the Board of Governors at Trent University from 1991-1994.

File consists of photographs of Judy Stephenson the College Assistant of Catharine Parr Traill College ([1999]-2006).

Fonds is comprised of records created by or collected by Stephen Ogden documenting the Tiny Township Stop Dump Site 41 campaign. Dating 1979 through 2016, it represents a significant episode in Canadian environment activism and is comprehensive in scope. Among the materials included are: notes for speeches; transcriptions of government environmental assessments and WYE Citizens Group meetings; WYE Citizens Group press releases; maps and records of water well locations near Site 41; hydrological and geotechnical records pertaining to the watershed characteristics of the Site 41 area; MOE correspondence and statements relating to proposed dump site management, waste management and related technological considerations; Simcoe County “Corporate Services” records including meeting minutes and agendas, notifications, memorandum, notes, correspondence and emails, and media clippings; court proceedings and legal documents obtained through Freedom of Information requests made by Stephen Ogden; photographs, dossiers for exhibits; audio-visual materials including cassette tapes, VHS tapes, CDs and DVDs.

This fonds consists of four photographs, two of which are copies of photographs found in the Geale-Rogers Papers (82-022). One of these two is a duplicate of photo #400, Box 14, and is of Calcutt House, Peterborough. A negative is attached. The other is a duplicate of photo #27 of Album #6, Box 15, and is of a cottage on Little Otter Island, Stoney Lake, Ontario. A negative is attached. The other two photographs are of the Canadian General Electric Company building, Peterborough. One is an exterior shot and the other an interior. Also included is a negative of photo #48, Box 1 Folder 4 of The Peterborough City Photograph Collection (83-008), and is of the Salvation Army Barracks, Peterborough. None of the photographs and negatives are dated. Also included is a photocopy of a map of Stoney Lake, with Little Otter Island highlighted.

This fonds consists of a photograph of the steamship Lintonia which plied the waters between Lakefield and Young's Point. There is also a ticket for the Empress in this fonds which was sister ship to the Lintonia.

The photograph is by A.R. Capon of steam engine no. 26, from the Canadian National Railway

File consists of photographs and a cartoon drawing of John Stanford, Principal of Lady Eaton College (1989-1993).

Fonds is comprised of the family papers of Sydney Helmer Standen and Euphemia Young Standen (nee McQueen). These papers include ancestral records and photographs dating from the 1860s to the 1970s and touch geographically on England, Scotland, Ontario, Saskatchewan and British Columbia. They pertain primarily to the families of Standen, McQueen, Drysdale, Ronald and Bensen and include such individuals as Sydney (Sid) Helmer Standen, Euphemia (Effie) Young Standen, Philip Andrew Standen, Neil McQueen Standen, Sydney Drysdale Standen, Eric James William Standen, James McQueen, Margaret (Maggie) McQueen, Elsie McQueen, and Peter Ian McQueen. Subjects include migration, settlement, farming, education, teaching, military service and war, and domestic life.

File consists of photographs of Dale Standen. A History professor at Trent University.

File consists of a photograph of Gillian Stamp, the recipient of the Eminent Service Award (2018).

File consists of three photographs and two images of Robert Stairs, the first Chemistry Professor hired at Trent University in 1964.

File consists of photographs of Catherine Sproule, who was the Senior Tutor for Catharine Parr Traill College (1978,1987,1988).

File consists of photographs of Maricio Splendore posed in front of bookshelves.

File consists of six photographs of Irwin Sperber.

Fonds consists of two boxes of materials related to the life of Spencer J. Harrison, artist and gay activist.