Abstract Dwight Spencer and his son James Spencer were Baptist ministers in Montana. Dwight Spencer's papers consist of diaries (1860-1867) concerning his Civil War ministry and later work; an autobiography; and miscellany. James Spencer's papers consist of biographical materials; correspondence (1871-1939); religious writings; a scrapbook; and miscellany. There also are small subgroups of the papers of James' wife Cora Spencer; daughters Marion Spencer and Frances Spencer; son Dwight Spencer; and...