This collection consists of miscellaneous ledgers and legal documents of businesses, doctors, etc. in Peterborough, surrounding counties and areas in southern Ontario.

This collection consists of technical plans and details of the Deloro mining processes, labour relations and union papers, medical information concerning arsenic poisoning, historical material regarding Deloro and the village of Marmora, maps, and plant photographs, layouts, and site plans.

This fonds consists of primary research material and the manuscript and photographs for Harley R. Cummings' book, "Early Days in Haliburton". The fonds also consists of correspondence, including letters from the Honorable Leslie Frost, photographs, maps, and an original 1863 surveyor's diary for Eyre Township. Also included are the C.R. Stewart diaries, dated 1902-1904. C.R. Stewart (1826-1905) was resident agent for the Canadian Land and Immigration Company and was the first settler in the Village of Haliburton. In his diaries he refers to Colonel Samuel Hughes and Mossom Boyd. Stewart's son, C.E. Stewart (1851-1921) was editor of the "Bobcaygeon Independent". The fonds also includes several historical papers and publications written by Cummings and others.

Fonds consists of call-up notification postcards (1874-1880) sent by Lieut.-Col. Alex. McKenzie of Barrie, Ontario, to Lieut. John Sutherland of Bond Head, Ontario regarding the Battalion being raised at Barrie for the Northwest Rebellion. Also included are genealogical records related to the Cummings and MacCallum families, a photocopy of a book written by Harley Cummings entitled Cummings-MacCallum: A Tale of Two Families; notes and other materials related to the teaching career of Cummings; three photographs: Hon. Thos. Mackay's Mills, Distillery etc. and part of New Edinburgh, Rideau Falls, New Edinburgh, from Railway Bridge, and an unidentified photo similar to the previous two; and three maps: 1. Ontario Department of Highways Road Map of the Provisional County of Haliburton, 1952 (original); 2. Plan of Part of York River and its Southern Tributaries, Egan's River, Hudson's Creek & Allen's Creek together with the Head Waters of the E. & W. Branches of Crow River & Buckhorn Branch of Ottanabe [Otonabee] River, Tributaries to the St. Lawrence, surveyed by John A. Snow, Hull, 1855 (in four sheets, copied from microfilm); 3. Plan of Part of York River, commencing at the Floodwood Jam, surveyed by John A. Snow, Hull, 1854 (in three sheets, copied from microfilm).

Fonds consists of maps and plans of the Ottawa and Haliburton areas, time-books of Bronsons and Weston logging firm, and photographs of the building of a railway, and of the Haliburton area. Included also are research material and manuscripts relating to books which Harley R. Cummings wrote about schools in the Ottawa area, and on the history of Haliburton. Included are notes on John Strachan and a transcript of his diary. The fonds also includes several genealogical charts of the MacCallum family.

1 volume