New Zealand Tramways and Public Passenger Transport Authorities Employees' Industrial Union of Workers.

Collection includes minutes, correspondence, subject files, membership records, financial records, union notices, ARA staff notices, files containing reports and charges against employees and newspaper clippings.

The collection contains minutes, correspondence, membership subscriptions and lists, awards, reports, rough notes, rule books, etc. Also included is 1.75 m. of material donated by the Union in 1976 and integrated in 1977.