The papers of Edward F. Winslow are made up of 300 items, arranged alphabetically within a chronological sequence, and relate primarily to his military career during the Civil War. There are nine folders of correspondence, including letters from Lot Abraham, F.W. Benteen, and Emory Upton. A typescript draft of Winslow's memoirs, along with clippings and reports, describe his wartime experiences. There are a number of items relating to the Battle of Brice's Crossroads, General Samuel Davis Sturgis, and the 4th Iowa Cavalry.