Series consists of files on various projects and research conducted by the Trail Studies Unit. Files include work and projects on the Northumberland Forest, rail trails, trail mapping, university and college trails, and Ontario provincial government grant funded research projects. Series also includes 41 photographs of the Northumberland Forest trails.

File consists of photographs of Andrew Pyper a former writer-in-residence at Trent University.

File consists of a photograph of Maeve Quaid, an Associate Professor in the School of Business at Trent University.

File consists of photographs of Bob Rae former leader of the New Democratic Party and Premier of Ontario from 1990 to 1995. Includes photos re Jobs Ontario: Leonard Conolly, Robert Campbell, Jenny Carter, Steve Dantzer and Bob Annett.

This fonds consists of black and white photographs of a men's work camp at Ragged Rapids, located near Orillia Ontario. There are also photographs are of Norwood, Birdsall's Landing, and Young's Point.

File consists of photographs of Fern Rahmel a recipient of an honorary degree (Doctors of Laws) from Trent University (1970).

File consists of photographs of Bill Ramp, the Senior Don of Catharine Parr Traill (1985).

File consists of photographs of Kate Ramsay, who held many positions at Trent University and is a recipient of the Eminent Service Award (2011). Photographs also include Glen and Kathleen Easson and Fran Cooney.

File consists of photographs and four negatives of Ken Ramsden. He fronted a local Peterborough band called the Lost Followers.

File consists of a photograph of Marion Raynor (1937-2022). Raynor worked at Trent University for over 40 years.

The fonds consists of 100 black and white stereographs numbered, captioned and entitled "The Great War".

Fonds consists of a folder of 12 sheets of photographs which show the effects of the atomic bombing of Hiroshima and Nagasaki, Japan in 1945. The 14 photographs are of individuals, and of the landscape of the area. The photographs were issued with the purpose of "calling for the issuance of a bill to protect atomic bomb survivors and calling for a total ban of atomic weapons". (Taken from the folder which encloses the photographs.) The text on the folder and the photographs is written in Japanese.

File consists of a photograph of Doug Reed, President of Trent University's Alumni Association (1974-1983).

File consists of photographs of Dr. Alun H. Rees, who taught at Trent University from 1967 to 1993.

File consists of photographs of Barbara Reeves, Trent University Bookstore Manager (1999-2004).

File consists of photographs of Stephen Regoczei, Professor of Computing and Information Systems.

This accession consists of copy photographs, several of which are of originals in the Reid family photograph album and date from the 1840's to 1900's. One is of the Robert Henry "Harry" Devinish Reid family accompanied by an identification sheet with vital statistics for each member. Included also is a set of ten copy photographs of three generations of the Reid family. This set is accompanied by a family chart providing statistics for those listed.