Fonds is comprised of approximately 1850 slides taken by M. Margaret (Marnie) McCulloch pertaining to the Northwest Territories/Arctic region, western and eastern Canada, U.S.A. (particularly California), Australia, England, Peterborough, etc. Also included are miscellaneous photographs and textual items written about McCulloch by various people.

File consists of four photographs and one image of Dr. K.R. Vaughan Lyon (d.2015) former Trent University professor of Political Studies from 1969 to 1996. Photographs include Tommy Douglas.

File consists of images of Scott Lyon.

File consists of three photographs of Jeanne Lynch former Co-Ordinator of Student programs at Trent University.

This fonds consists of programmes, rules and regulations, membership records, annual reports, minutes, photographs, correspondence and research material of the Lyceum Club and Women's Art Association of Peterborough.

This fonds consists of programmes, annual reports, a memorial certificate for the 90th anniversary of the Lyceum Club and signed by Peter Adams, photos of club events and award winners, etc., administrative papers, a scrapbook, and Rug Group log books.

This fonds consists of minutes, financial records, scrapbooks and other records relating to the Lyceum Club and Women's Art Association of Peterborough. The scrapbooks contain articles on the clubs history as well as photographs and other notes of interest.

File consists of two photographs of Jean Luyben former Librarian at Trent University. Luyben retired in 2022.

File consists of three photographs of Eunice Lund-Lucas, who is the former Disability Service director until 2011 when she became the director of Access Services from 2011 to 2013.

File consists of three photographs of Marie Elizabeth Luka, a Director and Producer in film and television.

File consists of eight images of Doug Lowe, who formerly worked at Trent University from 1971-?.

File consists of a photograph of Rene Low at an alumni reception in Malaysia.

Sub-series documents local events organized or sponsored by the Peterborough District Labour Council as well as the production of the Labour Review magazine. Events include Day of Mourning (2000) and Picnic (2000). Labour review articles are on topics including labour history, Day of Mourning, and shorter work week. The sub-series also includes headshots of various PDLC executives.

File consists of a photograph of Dan Longboat, Director of the Indigenous Environmental Studies and Science at Trent University.

File consists of two photographs of Rob Loney who is a Demonstrator-Technician within the School of the Environment at Trent University.

File consists of one photograph of Frank Londry.

Series consists of the research files created by Professor Neufeld while writing his book Lois Marshall: A Biography (Toronto: Dundurn Press, 2010). Files include professional correspondence, interview transcripts and notes, newspaper clippings, copies of performance programs for Lois Marshall and the Bach Aria Group, which was curated while researching the life of Lois Marshall. Files also include research notes and photocopied material from Library and Archives Canada, New York Public Library, Toronto Reference Library, University of Toronto, University of Calgary, Ballet Rambert Archives and London Festival Ballet (LFB) Archives.

File consists of two photographs and four images of Jack Lodge former Associate Dean of Science from 1973 to 1976.