Records (1923) of the Montana 18th Legislative Assembly consist of minutes of the Senate Special Committee to Investigate the State Board of Education and the Board of Examiners, and the Senate Special Committee to Investigate State Boards and Commissions.

This collection contains the records of the Montana 20th (1927) Legislative Assembly including the minutes from the Regular Session of the House Special Committee to Investigate the Office of Secretary of State; and court papers, court impeachment resolutions, journals, and miscellany from the Extraordinary Session concerning the impeachment of Secretary of State Charles T. Stewart.

This collection contains the records of the 21st (1929) Montana Legislative Assembly including House and Senate bills and status reports.

This collection contains the records of the 22nd (1931) Montana Legislative Assembly including the minutes of the House Petroleum, Oil and Gas Affairs Committee; House and Senate bills; and House and Senate Joint memorials and Joint resolutions.

This collection contains the records of the Montana 23rd (1933-1934) Legislative Assembly including House Committee minutes of State Boards and Officers; House Select and Special Committee minutes; House and Senate bills; and Joint bills, memorials, and resolutions from the Regular and Extraordinary Sessions.

This collection contains the records of the Montana 24th (1934-1936) Legislative Assembly including House and Senate bills, Senate Joint resolutions and memorials, and the minutes of the House Special Committee to Investigate Political Activities Public Utilities and Other Corporations. [OVERSIZE MATERIAL: Map case]

This collection contains the records of the Montana 25th (1937) Legislative Assembly including the minutes of the House Special Committees; minutes of the Senate Select Committees; House and Senate bills, memorials, resolutions, and status reports; and Joint memorials and resolutions. [Maps and printed material transferred to Library; OVERSIZE MATERIAL: Map case]

Collection contains records (1946-1949) of the Montana 31st Legislative Assembly including the minutes of House Special Committee to Investigate the Montana Liquor Control Board; minutes of House and Senate standing committees; House and Senate bills, resolutions, memorials, joint resolutions and memorials; and miscellany. [OVERSIZE MATERIAL: Box 1]

Collection contains records (1951-1952) of the Montana 32nd Legislative Assembly including the minutes and reports of House and Senate standing committees; House and Senate bills, resolutions, memorials, and joint resolutions and memorials; and miscellany.

Collection contains the records (1953) of the Montana 33rd Legislative Assembly including the minutes and report of the Special Joint Committee to Study and Investigate the State Industrial School; minutes and reports of House and Senate standing committees; House and Senate bills, resolutions, memorials, and joint resolutions and memorials; and miscellany.