Scope and Contents From the Collection: The Martha Edgerton Rolfe Plassmann Papers consist almost exclusively of the writings of Mrs. Plassmann. There are, however, also typescript copies of letters from Mary Edgerton to Martha (1863-1865); incoming and outgoing letters of reminiscence and historical research; and correspondence reflecting Mrs. Plassmann's interest in the welfare of Montana's Indian population. There are also typescript copies of letters (1863) from Mrs. Sidney Edgerton to her mother. There are manuscripts of two...