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.

Series consists of student research papers, primarily those written for Trent University's course on Haliburton Bioregionalism.

This fonds consists of the personal records of Professor Thomas H.B. Symons relating to his activities on various boards and committees as well as Trent University. It includes correspondence; addresses given; articles written; as well as manuscripts, typescripts and research notes, photographs and video tapes.

Fonds consists of records from the Trent University Athletic Centre, documenting the department's development, its facilities and program offerings, and varsity and intramural sports. Fonds includes records from Paul S.B. Wilson throughout his time as Director (1966-2002). Fonds also consists of records about the growth and development of the Athletics Department including architectural briefs, reports, correspondence, promotional materials, photographs, and slides. There are also many photographs, scrapbooks, and CD’s containing records about intramural, varsity, and community sports. The sports documented include synchronized swimming, rowing, volleyball, basketball, swimming, hockey, squash, soccer, rugby, curling, field hockey, fencing, cycling, and karate. Also included are Michael Treadwell's correspondence and brochures of various racing sailboats, and material gathered from other universities' athletics programs.

Fonds is organized into 6 series: Paul S.B Wilson files; Development of Athletics Department and facilities; Early files on sports and programs; Scrapbooks and newspaper clippings; Videos and photographs of sports teams and events; and Synchronized swimming.

DVD titled "1st Trent Strike: They're Tough, but we're TUFA", created by J.A. Forrester.

This collection of papers was received from Professor Roy Edwards in 1987. Most of the materials concern the boat Turtle Two which was owned by the Biology Department at Trent University and used for river-based experiments. The word Turtle was derived from Trent University Research and Teaching Laboratory for Exper­imental Work. The materials cover the years 1968-1973.

Collection consists of recordings of lectures given at Trent University by faculty and guests.

Fonds consists of material relating to the research and initiatives the Trent-Fleming Trail Studies Unit engaged in. Files include correspondence, reports, research material, pamphlets, brochures, conference materials, and other materials. Photographs document the Northumberland Forest trails. CD-ROMS documents project reports. VHS tape documents the television coverage of the Rails to Greenways Conference (1993). Fonds is arranged into 5 series: Unit operations; Communications; Correspondence; Conferences, presentations and committees; and Projects and research.

This series consists of film, video, and photographs of varsity and intramural athletic events and games at Trent University, including rugby, volleyball, soccer, rowing, cycling, skiing, Head of the Trent, and athletic banquets. Series includes photograph albums, print photographs, negatives, and photographs and video stored on CDs, VHS, and other media. See file listing for more details.

Fonds consists of correspondence, meeting agendas and minutes, reports, photographs, tapes of WSA meetings, news releases, newspaper articles, legal documents, and publicity materials pertaining to the WSA. Also included are background documents and discussion papers for the Forestry/Land Use Management Plan developed by the WSA, and research materials (primarily photocopies) pertaining to forests and logging, fish and fisheries, wildlife, biodiversity and environmental matters.