The collection consists of correspondence to Sarah Ann (Prosser) Neely during the US Civil War. Correspondents include Edward G. Fugate, a musician in Company G of the 27th regiment of Indiana Volunteers; John C. Kelly, Sarah Prosser's uncle; Jacob Meyer Neely, in Company C of the 22nd regiment and future husband of Sarah Ann Prosser; George W. Prosser, also a member of Company G of the 27th regiment and cousin of Sarah Prosser; James Prosser, Sarah's brother and a member of Company D of the 82nd regiment of Indiana Volunteers. Other Civil War documents present include a Muster-in roll, August 15, 1861, for the 22nd regiment and a commission for Jacob M. Neely as first lieutenant, September 10, 1863, signed by Oliver P. Morton, governor.

The twentieth century materials include correspondence and documents of Jacob Meyer Neely, 1840-1921, relating to his efforts to get an increase in his military pension. Correspondents here include Emmett Forest Branch, William Allen Cullop, James Leon Greene, Ralph Wilbur Moss, John Marshall Neely, Gaylord Miller Salzgaber, John William Sluss and Thomas Taggart.

A folder of biographical and genealogical material accompanies the collection, relating to both the Neely and Prosser families. Included in this file is a five-page typescript, "A Brown County Pioneer," dated July 7, 1882, that recounts the life of John Prosser, then 85 years old. A photograph of Jacob Meyer Neely; an album, ca. 1830-1854, belonging to Emily Jane Nixon and containing verses and other writings dedicated to her; a copy of the will, 1891, of Nancy Parmenlee; a pension document, September 1918, of her son Jacob Neely and a few clippings relating to his death; and two miscellaneous printed items complete the collection.