The fonds (15-1988) is arranged into the following series: minute books, financial, labour negotiations, and publications. Financial includes budget ledgers, cash book pages, estimates and reports, expenses and receipts, annual reports, income taxes, and union dues. Labour relations includes negotiations, agreements, regulations and guidelines, employee benefits, correspondence, and grievances. Publications include convention reports and photographs.

There have been two accruals. The first accrual contains material from before the merger of the two locals and after the merger. The second accrual consists of correspondence, reports, and printed materials.

The fonds consists of the business records of the union.

Fonds consists of a minute book, bank statements, and monthly membership and dues reports.

There have been two accruals. The first (00-1994) measures 40 cm, and is arranged into the following series: minutes; labour negotiations; grievances; financial; correspondence, bylaws, senority and officer lists; employer relations. The second (13-1999) has not yet been arranged or described.

Fonds consists of minute books (general membership, executive board, and grievance committees), agreements, proposals for negotiations, reports, and correspondence. The fonds also contains materials relating to traffic signal repairmen, Parking Authority, Dundurn Castle, Flamborough, Dundas, Heritage Village, and other locals (1797, 2177, and 3042).

The fonds consists of the records of the area office and its relationship with the locals under its jurisdiction. A list of the locals can be found in the finding aid for the first accrual.

The fonds consists of the business records of the union.

The fonds consists of the business records of the Union from its founding to 1979. This includes the labour agreements that precipitated the 1906 Strike.

The collection consists mainly of Mansbridge's letters to Leonard Clark. There are also a few manuscripts concerning Mansbridge, Christmas cards, invitations, and announcements relating to Mansbridge, photographs of Mansbridge, and some pamphlets by Mansbridge. This collection was assembled by his friend Leonard Clark. Clark, an educator, author, editor and poet was born on 1 August 1905 in St. Peter Port, Guernsey. He was made inspector of schools with the Ministry of Education in 1936. He died in London in 1981.