The bulk of this collection is photocopied and microfilmed letters, diaries and other records from Civil War soldiers, 1861-1865. Correspondence, mostly regarding service-related pensions, extends up to 1918.
William H.H. and Emma Dickinson were early residents of Missoula, Montana. The collection contains a Dickinson family genealogy, Mr. Dickinson's Civil War diary and a later autobiographical account based on the diary, Mrs. Dickinson's reminiscence of early Missoula, an autograph book from Mr. Dickinson's family, personal and business financial records, an assay report, and early photographs of Missoula.