Papers include correspondence (1867-1947) to various members of the Evans, Bellis, and Scott families, including a letter (1867) from John Bellis to his wife in Liverpool, England; letters from the Evans' daughter-in-law Agnes Evans; World War I letters from William D. Scott to his parents, and reminiscent letters from the Storey family of Staveley, England. The bulk of the collection consists of subject files on several of the business enterprises in which Evans and his family were involved, including General Mines, Inc. (1935-1962), re the Little Lillie and Winter mines; Hartwell, Jurgens, and Company (1868-1870), including a ledger for the flour mill on Prickly Pear Creek; Helena Milling Company (1914-1927), including lists of stockholders, financial statements, a mortgage, and a financial journal; McClellan Creek Lumber Company (1921-1923) including a financial statement, promissory notes, and an agreement to sell the sawmill equipment; Sanford and Evans (1868-1884) including log delivery books, time books, and a small account book; and Helena real estate properties (1894-1899, 1921-1977) including rental ledgers, tax statements, abstracts of title, etc. to property along Benton Avenue and Lawrence Streets. There are also minor financial records; miscellany, including Margaret Evans' scrapbook (1916-1917) from University of California at Berkeley; two patents; Charles Bellis' memorandum book; and a speech by Bertha Evans; and clippings.