Businessman. Correspondence (1900–1943) concerning Harris’s activities with the Oklahoma Republican Party, of which he was state chairman from 1909 to 1924; legal correspondence, papers, deeds, and mortgages (1900–1947) from Harris’s real estate business in Wagoner, Oklahoma; clippings (1914–1918); accounts and receipts (1853) from Harvey Harris, James Harris’s father; and a genealogy (1924) of the Harris family.