These records of the Montana Attorney General's Office consist of interoffice correspondence (1969-1978); general correspondence (1963-1966) arranged by correspondent and subject, including dockets and informal opinions; annual reports (1973-1977) of tax-exempt private foundations; speeches; and miscellany. (Reel-to-reel tapes transferred to Oral History)

Records (circa 1880-1947) of Montana Power Company predecessor companies consist of correspondence, financial records, legal documents, and minutes of many electric power, light, water, street railway, townsite, realty, and land companies around Western and Central Montana.