Collection consists of a broad range of materials from the legal and business practices of Francis C. Wilson. Most of the collection is made up of case files, but also includes correspondence, ledgers, contracts, newspaper clippings, publications, land conveyances, and speeches. Case files are from both civil and criminal proceedings and involve issues such as insurance, bonding, taxes, divorces, bankruptcy, mortgages, debts, estates, and suits. Most of the cases concern business in the areas of oil, mining, utilities, banking, and real estate. There is also correspondence, legislation and litigation regarding Pueblo Indian lands in New Mexico. Collection also includes ledgers and annual reports from the law firm Wilson and Watson from 1935 to 1941, and business correspondence and records of Wilson Oil Co. from 1935 to 1952.