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.

Collection contains records of the Montana Territorial Legislative Assembly (11th: 1879) including correspondence with Governor Benjamin Potts; Council Bills 2 and 4 and House Bill 33; members' financial accounts; a report of the Territorial Law Library; a report on the financial condition of Missoula County; committee reports; and petitions.

Collection contains records of the Montana Territorial Legislative Assembly (12th: 1881) including correspondence with Governor Benjamin Potts and with T.C. Power; reports of county expenses, of State Law Library, State Auditor, and Code Commission; committee report on HB 6 re Silver Bow County; and petitions.

Collection contains the records of the Montana Territorial Legislative Assembly (13th: 1883) including correspondence with Governor John Schuyler Crosby; and petitions.

Collection contains the records of the Montana Territorial Legislative Assembly (14th: 1885) including the annual message from the Governor; general correspondence; bills re the construction of Lewis and Clark County courthouse, the establishment of Valley County, and organizing and regulating the militia (National Guard); members' financial accounts; reports to the Legislature by the Orphan's Asylum, the Penitentiary, and the World's Fair Commission; and petitions.

Collection contains the records of the Montana Territorial Legislative Assembly (16th: 1889) including correspondence; members' financial accounts; reports to the Legislature by the Auditor and Treasurer; a subject file on a Missoula County contested election; petitions; rules; and miscellany.