Research collection of Martha Anne Kidd, local Peterborough historian, relating to her work with Peterborough Architectural Conservation Advisory Committee (PACAC), Peterborough Historical Society, Peterborough Planning Committee, as well as numerous research notes and papers on the preservation of historic buildings, the Ontario Heritage Act, and Heritage Canada..

Series A Historical Preservation in Ontario (Files 1-101), 1932, 1967-1991

Series B Heritage Planning in Peterborough (Files 102-166), 1962-1991

Series C Heritage Tourism and Promotion (Files 167-230), 1968-1978
Includes brochures for many committees promoting heritage and tourism, particularly in Central and Eastern Ontario; documents related to the Roy Studio Collection promotion(1996-1998); original sketches and planning with Tim Jackson (1984); Heritage Peterborough (1985-1987); Jackson Park Pagoda Project (1987) including historical research from the 1890s.

Series D Historic Properties (Files 231-300)
Photographs, historical research and materials relating to streetscapes and identified houses and buildings in Peterborough and surrounding areas; includes information from CIHB and HABS, c. 1970; PACAC bylaws (1974-1986)

Series E Peterborough Biographies (Files 301-400)
Historical research on Peterborough individuals, (including all architects) and families as well as records relating to the Peterborough Historical Society.

Series F Mixed Items (Files 401-461)
Highlights include: Dobbin Index to Industries (1913), Dr. Hutchison Register of Births (1817), Langton Letters (1834-35), Prime Time Profiles.

Series G Peterborough Despatch (Files 462-564)
Copies of news articles (1848-1860) on subjects such as: Peterborough Town Council, bylaws, elections, politics, Peterborough people, agriculture, amusements, businesses, organizations, fires and fire brigade, military, religion, sports, transportation; births, marriages, deaths

Series H Ashburnham Maps and Plans (Files 565-580), 1850-1903

Series I Peterborough Fire Insurance Plans (Files 581-600), 1882, 1889, 1911, 1929
Also includes Peterborough County and Town maps

Series J Martha Ann Kidd and the Heritage Movement (Files 601-657)
News features on Martha Ann Kidd, correspondence; papers relating to her husband, Kenneth Kidd, a professor of Archaeology at Trent University.

Series K Ashburnham and Peterborough City Collector’s Rolls and Directories (Files 658-702)
Copies of Ashburnham Collector Rolls (1861-62), copies of Ashburnham Directories (1858, 1864, 1865-66, 1870, 1876, 1883-84, 1894-95, 1897, 1901, 1903, 1904, 1905, 1907, 1908, 1909, 1910, 1912, 1913, 1914), copies of Ashburnham Assessment Rolls (1874, 1882, 1889, 1899, 1900), copies of Ashburnham Voter’s Lists (1863, 1878), copies of Peterborough City Directories (1851, 1858, 1870-71, 1876, 1883, 1888, 1895, 1897, 1913).

Series L Peterborough Street Index (Files 703-772) Photographs and descriptions to various properties.

Series M Peter J. Stokes Photographs (Files 773-779), 1969
Photographs and negatives relating to the downtown district of Peterborough.

Series N Photographs and Postcards (Files 780-834)
A vast photograph and postcard collection depicting residents, properties, and events in Peterborough townships including Lakefield, Chandos, Harvey, Otonabee/Keene, Asphodel, Dummer, Douro, Smith/Ennismore as well as Stoney Lake. Materials relating to surrounding counties such as Victoria and Northumberland should also be mentioned.

Series O Negatives (Files 835-924)

Series P Street Series (Files 925-1407), 1970s
Collection includes historic summaries of various street names in downtown Peterborough, as well as a detailed street by street pre-1890 building inventory featuring many photographs of Peterborough properties as well as owner history.

Series Q Canadian Inventory of Historic Buildings (CIHB) Reports (Files 1408-2863)

Series R Mixed Items (Files 2864-)

The fonds contains the papers of John S. Turnbull of Belleville, Ontario. Enclosed in the first file is a description of the property of a Mr. Forrin; a notice instructing Mr. Turnbull to pay Mr. James Anderson eleven pounds, ten shillings by Mr. James Turnbull; and a description of the west side of Front Street. The second file consists of items relating to Turnbull's estate including a list of properties he owned, a list of personal effects, the last will and testament of Margaret Campbell, the first and final wills of John Turnbull, and documents pertaining to a dispute over his estate by his family after his death, there is also a map of mineral reserves in Marmora. The third file is composed of various real estate contracts, the fourth file consists of real estate deeds, while the fifth file is made up of real estate leases.

Series consists of newspaper clippings (both copies and originals) related to various Port Hope hotels, c1854-1989. It includes: The Albion, Bletcher's Inn, Blackham's, The British, Canada House, Durham House, The Ganaraska Hotel, Hetherington's Hotel, Lake View House, Lees Hotel (Mill Street North), Martin Griffen's Hotel, Midland House, The North American, Queen's Arms Inn, The Plains, The Royal, Stenson's, St. Lawrence Hotel, Strong's Hotel, Turner House, The Walton (Queen's Hotel), and other miscellaneous inns, taverns and saloons. The series also contains two (2) paper napkins from the Queen's Hotel on Walton Street.

Fonds consists of material relating to J. Cooke Concrete and to William Jacob Cooke, and includes deeds and other legal documents relating to lands; correspondence; ephemera; news clippings; maps and plans; notes on biographical and administrative history; photographs; and artifacts.

The photographs are arranged by subject matter and cover activities in and around the town of Deseronto, Ontario. The majority date from the late nineteenth century and many depict the lumber-related industries of the Rathbun Company in Deseronto. There are also photographs of school groups, churches, railways, First World War airfields and portraits of Deseronto citizens.

Collection consists of photographs documenting the organizational activities of Trinity College School. Included are annual photographs of athletic teams, extra-curricular clubs, and student leadership groups; candid photographs taken by staff and students of the School; photographs of students and alumni who served in WWI and WWII; photographs documenting the construction and history of the School’s buildings; and photographs of faculty and staff of Trinity College School.

Series consists of newspaper clippings and a Birthday Scripture Book concerning Terralta (158 Dorset Street West) and the Benson family (mainly Clara Cynthia Benson, PhD), 1868-1986.

This photograph album was likely prepared for advertising and promotional purposes by the O'Connor and Lancaster firm, or "Popular Photo Studio". It contains prints of London, Ontario, scenes, as well as advertising and promotional information about London and some of its businesses.

The records of the Works Department, RG 6, are arranged and described at the series level, with corresponding file and item lists, and consist of 6 metres of textual and photographic material, 1 scrapbook of newspaper clippings, 442 items/sets of architectural plans, and 10 artifacts. The fonds documents the activities of the Works Department in fulfilling its mandate to implement the Exhibition Place capital works program; maintain all Exhibition Place equipment, buildings and property; and to provide services to concessionaires, renters, exhibitors and other Exhibition Place departments.

Series RG 6-0-1, Works Manager's Files, RG 6-0-2, Assistant General Manager of Operations Files, RG 6-0-8, General Services Manager's Files and RG 6-0-9, Maintenance Manager's Files, form a continuum of records documenting the day-to-day management and operation of the Works, General Services and Maintenance Departments.

Series RG 6-0-3, Electrical Department Files, RG 6-0-4, Building Files, RG 6-0-5, Capital Project Files, RG 6-0-6, Photograph Albums, RG 6-0-7, Architectural Plans, RG 6-0-11, CNE Department of Works Scrapbook, illustrate the many facets of the capital works program at Exhibition Place, directed by the Works Department, and the constant evolution of the CNE grounds and buildings.

In addition to textual material, the fonds includes some unique artifacts, series RG 6-0-10, a collection of zinc printing plates designed by the Works Department to produce general floor plans of CNE Buildings that could be customized with the details of specific jobs or projects.