This fonds consists of township records, by-laws, legal correspondence, records of the Queen's Bench and General Quarter Sessions of the Peace for the United Counties of Northumberland and Durham. Records include indictments, convictions and inquests and case records (which are effectively a continuation of the inquests, convictions and indictments series).

The fonds is arranged into 9 series:

1. Township business with bylaws, oaths of coroner's and coroner's commissions and jail surgeons
2. Voter's lists and books including militia rolls
3. Juries and jurors
4. Convictions and return of convictions
5. Inquests
6. Indictments
7. Magistrates returns
8. Justice of the Peace Commissions
9. Criminal and Civil Procedures and Correspondence and Case Records which reflect a change in the organization of records by the County Clerk's office after 1914 and which contain inquest, conviction and indictment documents.
10. Correspondence and miscellaneous

This addition to the fonds consists of original assessment and collectors' rolls from municipalities within the United Counties of Northumberland and Durham.

The microfilms were produced by the Archives of Ontario from records in possession of the Clerk of the United Counties of Northumberland and Durham dating from 1849 to 1870. This collection includes the rolls of the towns, villages and townships of the United Counties arranged in alphabetical order as follows: Alnwick, Bowmanville town, Brighton, Brighton village, Cartwright, Cavan, Clarke, Cobourg town, Colbourne Village, Cramahe, Darlington, Haldimand, Hamilton, Hope, Manvers, Monaghan South, Murray, Newcastle village, Percy, Port Hope town, and Seymour.

Series consists of files pertaining to the operations of the Trail Studies Unit, including job descriptions, and guides on information organization. One file consists of the contents of a staff manual that was kept in a binder. In addition to general operations, files document how resources were managed and accessed in the unit.

This item consists of a 52.5 cm x 43 cm folder which contains 12 pictures of navy personnel in uniform. The item was published in 1966 by the Naval History Division, Office of the Chief of Naval Operations, Washington, D.C.

File consists of two notebooks, one of which seems to be records of the South Monaghan [Agricultural Society?], 1882-1908, plus a notebook of clippings regarding compensation for flooding of the area farm land by the Trent Canal system, 1915. Also, one portrait (unidentified) of a woman, ca. 1890.

File consists of the following title, published by Turret House (Montreal):

• Gold, Artie and George Bowering. Mortal Taste. Montreal: Turret House, 2023.

This fonds consists of the Tuer family records. It includes family photographs and correspondence; estate records (including the "Kilshaw" records); last will and testament of Thomas Tuer 1873; music examination records of Mary Tuer; and teaching certificates of Margaret Tuer 1899-1918.

This fonds consists of papers and records forwarded by Trevor Lloyd regarding the North, Arctic North America, Greenland, Rasmusson, the Scandanavian north, the Thule expedition V, Canadian Arctic Sovereignty, Canadian Arctic Defense, Eskimo, musk oxen, Mackenzie River and many other articles and photocopied records relating to the north.

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 fonds consists of a 263 page scrapbook of invoices and accounts relating to the Trent Valley Woollen Manufacturing Company Limited. It also includes correspondence of the Company from 1906 to 1910.