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]