Constitution, by-laws, minutes, contracts, piece rate schedules, accounts, subject files, scrapbooks, newsclippings, printed materials, photographs and a phonograph record that document the history of Local 125 from its founding in 1933 to 1984, when the Local office in New Haven was closed. Included also are correspondence and case materials pertaining to grievance and arbitration proceedings (access restrictions apply). Early records were collected by Manager Cursi; Business Agent (and later, Manager) Laurie maintained Local 125's files through numerous office moves, and Business Agent and Manager Aiello maintained the records from 1964 until 1984.

The records are organized in five series, including Minutes, 1933-1978, Contracts and Piece Rates, 1928-1982, Subject Files, 1934-1984, Grievances and Arbitrations, 1958-1984, and Publications, Photographs and Scrapbooks, 1930-1983.

This collection is organized into five series:

• Series 1. Minutes, 1933-1978
• Series 2. Contracts and Piece Rates, 1928-1982
• Series 3. Subject Files, 1934-1984
• Series 4. Grievances and Arbitrations, 1958-1984
• Series 5. Publications, Photographs and Scrapbooks, 1930-1983