Series contains bound final reports for the 1985 International Plowing Match which was held in Elgin County and includes reports from various committees as well as statements of receipts and expenditures. Series also contains loose papers including correspondence, a budget, site map, and copies of a report produced by Don Williams that was submitted to the final report. Includes an annotated photocopy of participants contributing to the Antique and Historical section of the plowing match.

Series contains records created by various members of the Kettle Creek Pioneers throughout the administration of the club and planning of the Elgin Historical Show. Includes handwritten notes regarding event planning, reports for the 1985 plowing match and for the 10th anniversary event in 1988, correspondence, membership lists, as well as notes and materials created and gathered by the secretary.

This series contains those minutes, reports, financial records, and correspondence retained by Archibald McLachlin pertaining to Alma College. Records include letters from visitors, solicitations, meeting minutes, an annual report, tuition statements, and lists of boarders.

This series consists of 47 photographs relating to Alma College Valleyview Satellite Home residents and Alma College students.

Series consists of annual reports of the St. Thomas branch of the Canadian Federation of University Women.

The fonds reflects the history of Archibald McLachlin and his family from 1859-1926. The textual records consist of his correspondence, financial records, business records, documents related to his duties as returning Officer for West and East Elgin, and minutes and reports for Alma College. Also included are financial and business receipts pertaining to Walter McBrien, a family relative, and various discrete items retained by McLachlin and his family. The fonds is arranged into the following series:
-Personal papers series
-Business records series
-Returning Officer for West Elgin and East Elgin series
-Alma College series
-Walter McBrien series

Series contains attendance books created at Kettle Valley Pioneers meetings by attendees. Includes names, phone numbers, and addresses of attendees.

Fonds consists of 36 photographs collected by Bruce Marshall. Many of the photographs are of minor hockey teams, many of which were connected to St. Thomas, Ontario.

This series contains records relating to William Murch's business as a bookseller, including:

• A notebook containing records of transactions.
• A card advertising Murch's American suppliers.
• A passbook containing records of transactions and a list of advertisers.
• Notes from John Coyne, secretary, regarding payments received.
• A memorandum regarding a loan to the Methodist Church Sunday School.

This file contains the following records:
-By-laws of the West St. Thomas District No.9, July 9, 1938 (2 copies).
-Correspondence from the Rebekah Assembly of Ontario, I.O.O.F., to ina Ross of Shedden, regarding the by-laws of the St. Thomas West District #9, July 4, 1944.
-By-laws of the West St. Thomas District No. 18, November 18, 1954 (2 copies).
-Amendments to the By-laws of the West St. Thomas District No. 18, June 22, 1983 (2 copies).

Fonds consists of records created and maintained by the St. Thomas branch of the Canadian Federation of University Women. Fonds is arranged into the following series:
-Rules and Regulations series
-Membership and Attendance series
-Minutes series
-Annual Reports series
-General History series
-Correspondence series
-Financial Records series
-Programming series
-Special Interest Groups series
-Projects series
-Subject Files series
-Newspaper Clippings series

Fonds consists of photographs, newspaper clippings and other records documenting the history of the St. Thomas plant of Canadian Timken Limited. Fonds is arranged into the following series:
-Newsletters series, 1989-1992
-Newspaper Clippings series, 1963-2016
-Photographs series, 1946-2004
-Special Events series, 1946-[ca. 2000]

Fonds consists of design proposals and architectural drawings created by Catharine Spratley of various parks and other locations in the St. Thomas area. Also included are documents relating to her career and company, Catharine Spratley Landscape Designs.

Fonds consists of records created, collected or maintained by Catherine Neff. Fonds is arranged into the following series:
-Central United Church, St. Thomas series, 1897-2010
-Alma College Valleyview Satellite Home series, 1980-1990
-Elgin Historical Society series, 1983-1991

Fonds consists of records relating to student life at Central Elgin Collegiate Institute, including yearbooks, programs and a student directory, some of which were once in the possession of former principal G.W. Trevithick.

Fonds is arranged into the following series:
-Yearbooks series, 1960-1984
-Student Directory series, 1964

Fonds consists of records, including marriages, of Central Methodist Church, St. Thomas, 1887-1925; records, including baptisms, 1922-1959, marriages, 1914-1986, burials, 1937-1974, of Central United Church, St. Thomas (includes Central Methodist Church), 1918-1991

This series consists of Central United Church, St. Thomas records collected, created or maintained by longtime member Catherine Neff.

The City of St. Thomas Engineering Department fonds consists primarily of photographs, both black and white and in colour, documenting structural defects in sidewalks and sewers, repairs, road widenings and other projects, alongside general documentation of roads, sewers, and buildings in St. Thomas, primarily from the 1940s through the 1970s.

This fonds consists of three series:

1. Events: Documentation, including reports, clippings, and photographs, surrounding large or notable events in which the City Engineer or Engineering Department was involved.
2. Photographs: Photographs documenting paving issues, sewer or maintenance work, or other projects done by City Engineering crew, arranged alphabetically by street name. Also includes a handful of miscellaneous images, filed in original order, documenting places, events, or items, such as dog pounds or storm damage.
3. Projects: Photographs, slides, and textual documents relating to more recent projects, from the 1970s up until 1998, often documenting the different stages of a large-scale project.

Series consists of student attendance registers for:
-Balaclava Street Public School, 1924-1929
-Myrtle Street Public School, 1908-1919
-St. Thomas Collegiate Institute, 1900-1927

Series also contains miscellaneous records relating to Balaclava Street Public School, Elmdale Public School, Myrtle Street Public School and Scott Street Public School including newsletters, photographs, yearbooks and other materials collected from 1917 to 2011.

This series is comprised of the records of the Key Club of Arthur Voaden Vocational School in St. Thomas.