Fonds consists of photocopies of 90 letters written by Mary Williamson home to her parents from summer camp between 1940 and 1951. The camps attended were Camp Cedarnook and Camp Tanamakoon. Also included are camp badges; one group photograph taken at Camp Cedarnook ca.1943; and ca.160

Materials added in 2020: 8 photographs pertaining to Camp Woapak, 1940s. Mary Williamson's brother, J. Peter Williamson, and their mother, Marie Williamson, are identified in a few of the photographs. Further information about the family is available in Just a Larger Family (Waterloo: Wilfrid Laurier U.P., 2011); this book is comprised of the wartime letters of Marie Williamson and was edited by Mary F. Williamson.

This addition to the fonds consists of materials relating to camps, records of Ontario Camping Association, standards committee, conference material, photographs and slides.

This fonds consists of records of a Jewish Boy Scout Camp called Camp Tamarack. The fonds has minutes of the Tamarack Association, correspondence, form letters, bulletins, photographs, financial statements, inventories, accounts, reports, camp programmes, menus, brochures, insurance policies, construction proposals, Public Health Department licenses and reports, minutes of the Camp Services Co-operative and other information regarding school camping and the Boy Scouts of Canada.

This collection consists of a Glen Bernard Camp songbook, a large portrait of "Chief" Taylor Statten, press clippings from Canadian Camping, a Camp Ahmek certificate dated 1923, 70 photographs, and 3 postcards. Also included are the following artifacts: a Glen Bernard trophy engraved for Janet Gibson, 1923, Camp Ahmek counsellor's medal, 1924, a leather Camp Ahmek "Third" badge, 1923, and a plaque inscribed "2nd Stollery and Van Every", undated.

This addition to the fonds consists of the records of Dr. Mary L. Northway which include: household records, tape recordings regarding family genealogy, property records, records of her participation in the Ontario Camping and Canadian Camping Associations. There are also miscellaneous records concerning the winding-up of the Northway Company Limited of which Dr. Mary Northway was president.

Fonds consists of records documenting the history and activities of Camp Tanamakoon. Records include song books, brochures, forms, camp activity resources, a large set of slides, photographs, videos, photo albums, scrapbooks, and uniforms. Fonds is arranged by format in five series: Textual materials, CDs and DVDs, photograph albums and scrapbooks, slides, and uniforms. See series and file descriptions for more information.

This addition to the fonds consists of camp brochures, photographs, newspaper clippings, conference reports, Ontario Camping Association Archives Committee correspondence, newsletters, minutes of meetings and files of Helen Stewart.

This fonds consists of records, photographs and slides of Windy Pine, private cottage and cabins owned by Dr. Mary Northway and Flora Morrison. They ran girls canoe trips at the camp during the 1940s.

This addition to the fonds consists of correspondence, minutes, brochures, photographs and audio cassettes of the Ontario Camping Association.

This addition to the fonds consists of Board Minutes from 1985 to 1989; membership lists; and correspondence.