Collection consists of an inventory of land locations for early settlers and inhabitants of Ops Township from the initial survey of the township in 1825 to 1872. It includes census information and assessments of households, various voter's lists, many Ops Township documents and one map for the 1839 Assessment Roll. The collection also includes a variety of cookbooks, recipes, food preparation manuals for specific cooking devices, and research notes.

The fonds includes photocopies of the following items: Township Patent Book, 1820-1872, including the names of the grantees, lot purchased and dates as well as township/municipal election returns, and oaths of office for 1850. It also includes the correspondence of John Reid, township road surveyor, with elected officials and citizens, including maps, drawings etc.; township business papers, including receipts, taxation abatements, and school business; and Statute Labour lists and returns for the year 1850.

The fonds consists of correspondence regarding Upper Canada politics, rebellion, papers as Justice of the Peace; militia records; survey records and lists of settlers in 1825 Irish settlement of Emily township, Upper Canada; and photocopies of Huston's survey of Verulam township, 1834, donated by H.T. Pammett. This fonds contains excellent information on the settlement of Emily Township by Irish immigrants sponsored by Peter Robinson and facilitated by John Huston. Included are provision records, location tickets, and also Peter Robinson's signed letters.

This fonds consists of microfilmed copies of 3 volumes, which include 2 registers of baptisms (1852-1893), and one register of burials (1851-1906).

The fonds consists of photocopies of records of Christ Church, Bobcaygeon, Ontario, including minute books, parish registers (baptisms, marriages, burials and confirmations), and a vestry book including both accounts and minutes. The photocopied records cover approximately a hundred-year span from 1865 to 1960.

The fonds consists of field notes, reports, descriptions and certificates relating to surveys conducted by John Reid. The areas surveyed included Cavan Township, Monaghan Township, Smith Township and Otonabee Township which are in the County of Peterborough. There are also some records pertaining to John Reid's service in the militia.

The microfilms are copies of the 1851 and 1861 decennial nominal census for Peterborough County and parts of Prescott and Prince Edward Counties. Also included (reel 4) is the 1851 census for the Townships of Minden, Stanhope, and Dysart.

The microfilms are copies of the decennial nominal census for Peterborough County from 1871. The microfilm also includes census records for parts of Northumberland East, Prince Edward and Hastings Counties.

The microfilms are copies of assessment and census rolls, 1803-1850, voter's lists, 1854, and poll books, 1816, 1820, 1824 for the Newcastle District. Area covered includes various townships in the present-day counties of Peterborough, Northumberland, Durham and Victoria. The townships of Hamilton and Haldimand were not filmed.

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.

This fonds consists of microfilm of municipal and other records produced by the Archives of Ontario. It includes assessment and collectors rolls, 1852-1886, as well as voters lists and poll books, 1866-1867. Also included are receipts and expenditures, 1868 and the minutes of North Monaghan Intellectual Improvement Society.

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

This fonds consists of assessment and collectors rolls for Victoria County, Canada West and Ontario.

The fonds consists of personal and business correspondence and papers for several members of the Cameron family who lived in Peterborough, Upper Canada. It includes correspondence between Charles Cameron and his wife Sophia (Barron) Cameron, 1852-1881; business correspondence, invoices, receipts, and accounts for McKeller and Cameron Dry Goods Merchants, 1861-1870; Charles Cameron business correspondence, invoices, receipts and cancelled cheques from his years as an insurance agent, 1871-1903; Alfred Cameron personal and business correspondence, 1886-1908; Alfred Cameron survey reports for various townships, towns and villages in Peterborough County, the United Counties of Northumberland and Durham, Simcoe County, Nippissing District, and Cochrane District, 1894-1931; Alfred Cameron insurance policies; and a Chas. E. Goad fire insurance plan of the town of Peterborough and the village of Ashburnham, 1882, revised 1889.

The assessment and census returns contained in this microfilm are taken from the Journals of the Assembly of Upper Canada and its successor, the Assembly of United Canada from 1824 to 1850.

The Microfilm are copies of the Library and Archives Canada decennial, nominal census for the County of Victoria, 1851 and 1861. Also included on the microfilm are the nominal census for Stormont County, 1861 and Waterloo County, 1861.

Microfilm copy of nominal, decennial census of Victoria County and Durham (East) County for 1871. The census for Durham East includes only the Townships of Cavan and Manvers.

This index consists of computer output microfiches of land records held in Archives of Ontario. The microfiches provide an index to Crown Land Papers, Canada Company Papers, and the Peter Robinson Papers from 1819 to 1830.

This fonds consists of minutes, by-laws, assessment and collectors rolls, cash books and miscellaneous correspondence of Emily Township, Victoria County, Ontario. The large assessment and collectors rolls are shelved with the Victoria County municipal records.

Series consists of five microfilm reels of the decennial nominal census, of 1881, of Peterborough, Victoria, Hastings, Durham and Northumberland Counties. This collection includes the census of the towns, villages, and townships of Hastings County (north) and are listed as follows: Marmora Lake, Wollaston, Monteagle, Hershel, Wicklow, McClure, Bangor, Mayo, Carlo, Grimsthorpe, Elzevir, Dungannon, Faraday, Cashel, Limerick, Tudor, Sabine, Airey, Lyell, Murchison and Robinson; also Northumberland County (east), including Cramahe, Colborne (village), Brighton, Brighton (village), Murray, Percy, Seymour, Campbellford (village) and Hastings (village). Included also is Northumberland County (west) encompassing Alnwick, Haldimand, Hamilton, and Cobourg (town); and Peterborough County (east), which includes Ashburnham (village), Norwood (village), Burleigh, Anstruther, Chandos, Harvey, Galway, Cavendish, Belmont, Methuen, Hastings (village), Asphodel, Stanhope, Sherborne, McClintock, Dudley, Dysart, Harcourt, Snowden, Glamorgan, Monmouth, Cardiff, Minden, Douro, Otonabee, and Dummer. Also included is Peterborough County (west), encompassing Peterborough (town), Smith, Monaghan (north), Monaghan (south), and Ennismore; also Durham County (east), which includes Hope, Port Hope (town), Cavan, Manvers, Millbrook (village); also Durham County (west), which includes Darlington, Newcastle (village), Clarke, Cartwright, and Bowmanville (town); also Victoria County (south), which includes Ops, Lindsay (town), Mariposa, Emily, Verulam, Omemee (village), and Bobcaygeon (village); also Victoria County (north), which includes Eldon, Fenelon, Fenelon Falls (village), Carden, Dalton, Bexley, Somerville, Digby, Laxton, Longford, Lutterworth, Hindon, and Anson; also Muskoka, which includes Morrison, Gravenhurst (village), Muskoka, Wood, Medora, Monk, Cardwell, Watt, Conger, Humphrey, Oakley, Ryde, Draper, Bracebridge (village), Macauly, Brunel, Stephenson, Ridout, McLean, Sinclair, Franklin, Proudfoot, Chaffey, Bethune, Perry, McDougall, Cowper, and Foley.

This fonds consists of bound volumes of births, marriages and deaths for the United Counties of Northumberland and Durham and loose marriage documents. Fonds is organized into two series: loose documents and bound volumes.

This addition to the fonds consists of baptism records, marriage lists, and burial lists for the United Counties of Northumberland and Durham.

This addition to the fonds consists of surveyor's plans for lots mainly in Ashburnham and Peterborough drawn by surveyor Alfred Cameron.

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 fonds consists of assessment records and lists of inhabitants for the United Counties of Northumberland and Durham in the District of Newcastle.