Series consists of records of the Iron Moulders' Union of North America, including minute books, financial records, correspondence within Canada and with the United States, appeals for assistance, by-laws and rules, and union suspended lists.

Series consists of the records of the Peterborough Association of the Pattern Makers League of North America, including minute books, financial records, monthly reports, correspondence and circuletters, bylaws, membership records, and other material.

Series consists of records of Local 627 of the United Brotherhood of Carpenters, including members' due books (1900-1912) and proceedings of the Ontario Provincial Council of Carpenters (1933)

Series consists of records of Local 17 of the Bricklayers, Masons and Plasterers' International Union of America, including minutes, correspondence, circuletters, scab lists, shop steward reports, financial records, material from the Ontario Provincial Conference, and other material. Also included are 54 volumes of published constitutions, proceedings, reports, and delinquent lists.

Series consists of records of Local 23 of the Journeymen Tailors' Union of America, including correspondence, bills of prices, signage advertising the union label, minutes, and constitutions.

Series consists of records produced by the Peterborough Trades and Labour Council, including circu-letters, correspondence, constitutions, and other material.

Series consists of copies of Echoes, a publication produced at Peterborough Collegiate and Vocational Institute. Early editions were published monthly by various groups, including the Philomathean Society and the Literary Society. Later volumes are published yearly and function as yearbooks. 1977 was the sesquicentennial of P.C.V.I. and the yearbook for this year has a full history of the school included.

Years include 1905, 1907-1910, 1916-1918, 1922, 1925-1927, 1929, 1937-1944, 1946-1965, and 1977.

Series consists of the records of Local 402 of the Journeymen Barbers' International Union of America, including monthly financial reports, correspondence, shop card agreements, membership applications, and receipts, invoices and order blanks.

Series consists of two minute books, of the Girls' Athletic Association of the Peterborough Collegiate Institute. Inserted in one volume is a program for the Peterborough Collegiate Institute Annual Field Day of Sports, Oct 9, 1914.

File consists of 35 member badges for the Bricklayers and Masons International Union (local 17) and the Pattern Makers League of North America Peterboro Association.

Series consists of the correspondence of Gilbert C. Monture.

Series consists of records of Local 435 of the International Association of Machinists, including minute books, vouchers and stubs, and auditor's reports.

Series consists of the records of Local 690 of the International Union of Steam and Operating Engineers, including working rules and agreements, correspondence within Canada and in the United States, receipts, and constitutions.

Series consists of the published constitution of the Amalgamated Meat Cutters and Butcher Workmen (1917), in Polish.

Series consists of records documenting Peterborough Building Trades Council Local 370, Painters, Decorators, and Paint Hangers. Records include minute and record books, dues books, and a list of members.

Series consists of records produced by Local 725 of the Brotherhood of Painters, Decorators and Paperhangers of America, including a minute book, monthly reports, constitutions, correspondence, and day books.

Series consists of 3 issues of the Collegiate bulletin, published by P.C.I. Literary Society. Issues include no. 1, vol. 1 (January 30 1922); no. 2, vol. 1 (February 13, 1922); and no. 3, vol. 1 (February 27, 1922).

Series consists of various personal records, including government records verifying birth date and family information, a family tree, income tax returns (1936, 1942), and records relating to awards such as the Indian Achievement Award and honorary life membership of the Ottawa Branch of the Canadian Institute of Mining and Metallurgy (1966).