Circuit court cases dealing with civil actions. Legal papers include complaints, summonses, affidavits, petitions, court orders and decrees. Cases #1-1479, 1888-1930, consist of civil actions and cases #1493-3789, 1931-1971 consist of divorce cases only.

Artificially collated collection of manuscripts materials donated by a number of individuals living in or otherwise associated with Burnett, Pierce, Polk, and St. Croix Counties. Includes both primary source materials, such as abstracts, warrantee deeds, correspondence, photographs, certificates, marriage records, etc., in addition to secondary sources, such as compiled genealogies and other records. Collection is no longer being maintained or added to as of January 2020.

Criminal case files filed in Circuit Court and County Court for Burnett County. Complaints, notes, summonses, transcripts, evidence, rulings, orders, judgments, appeals, and execution orders. Cases relate to felony criminal offenses such as murder, assault and battery, adultery, larceny, fornication, rape, illegal liquor sales, vandalism, and gambling. Circuit Court ranges from approximately 1927-1948. County Court cases range from approximately 1895-1943.

Photographic postcards mainly related to the 4-county geographic area covered by the Area Research Center, that is, Burnett, Pierce, Polk, and St. Croix Counties but also include nearby regions, including some in Minnesota. This collection is particularly strong in areas of the region directly surrounding River Falls, Wisconsin. Also includes some photographs of the University of Wisconsin-River Falls campus, sports, and related miscellany.

Miscellaneous photographs and postcards, mainly duplicates and photocopies of originals, displaying places, people, businesses, buildings, and scenery in the four county region (Burnett, Pierce, Polk, and St. Croix Counties) of Wisconsin.

Tax rolls showing name of property owner, land description, acreage, valuation of real and personal property, amounts of taxes, date and amount of payment, and by whom paid. Beginning in 1915, rolls are retained for every fifth year only.