Collection contains records (1970-1971) of the Montana 42nd Legislative Assembly minutes of the Special Joint Committee on Long-Range Building Program; minutes and reports of House and Senate standing committees; House and Senate bills, resolutions, memorials, joint resolutions and memorials; and miscellany of the regular, first, and second extraordinary sessions.

Collection contains records of the Montana Territorial Legislative Assembly (1864-1865) including the original manuscripts of the House journal; and House and Council Committee reports, bills, and resolutions.

Collection contains records (1866) of the Montana Territorial Legislative Assembly (2nd: 1866) including the original manuscripts of the House journal; House and Council Committee reports, bills, and resolutions; and miscellany, including, notices of intent, financial records and petitions.

Collection contains records of the Montana Territorial Legislative Assembly (5th: 1868) including a report of the Select Committee on House Bill 46 and petitions.

Collection contains records of the Montana Territorial Legislative Assembly (6th: 1869) including correspondence with the Governor; a report to the Council by the Territorial Treasurer; a report of a special State Convention Committee; notes from executive sessions on appointments; and a petition.

Collection contains the records of the Montana Territorial Legislative Assembly (7th: 1871) including correspondence with Governor Benjamin Potts and Secretary James Callaway; report of the Code Commission; committee reports; bills to aid railroad construction, establish and regulate fees for sheriffs, provide for publication of certain laws, and to govern elections; portions of the journal; and petitions re county boundaries.

Collection contains records of the Montana Territorial Legislative Assembly (8th: 1873) including a report of a select committee on the contested election between J.P. Barnes and A.H. Beattie; a Council Bill re the spending of county revenue; and petitions.

Collection contains records of the Montana Territorial Legislative Assembly (9th: 1876) including correspondence with Governor Benjamin Potts; committee reports; and petitions.

The collection contains the records of the Montana Territorial Legislative Assembly (10th: 1877) including correspondence; committee reports; a list of House and Council members and officers; and petitions.