Primarily correspondence (129 letters) of Illinois farmer and Civil War soldier Carlos W. Colby, written between 1862 and 1865, to his sisters, brother, brother-in-law, and niece, plus a dozen Civil War letters written by Colby’s future brother-in-law James Rowe. Also includes Colby’s reminiscences of his boyhood and his service in the 97th Illinois Volunteer Infantry Regiment, some family correspondence, genealogical material and a few photos.

Nineteen letters from Otis Mason, a sergeant in the Civil War to his Illinois wife, Francema Otis. Twelve letters from various friends and family, and a wedding invitation are also included.

Correspondence of Francis Trowbridge Sherman of Chicago, and his traveling companion, Henry A. Ballentine, documenting their travel overland to the California gold fields and experiences there, 1849-1850. Also photocopies of a few of Sherman's (colonel 88th Illinois Infantry) letters regarding the Civil War and his Chicago business, business and family correspondence of father F.C. Sherman, family records, and newspaper clippings.

Fifty-five letters and fragments of letters from George Deal, Ohio Union soldier in the Civil War, to his wife Sarah Cole Deal. Also, photographs of Sarah and George Deal, photocopies of army service records, three Confederate bills, and a few genealogical notes made by Deal's grandson.

Civil War letters of John C. Fleming, 1862-1865, Chicago enlistee in the Chicago Board of Trade Battery, Horse Artillery, Illinois Volunteers; small collection of Fleming family mementos and letters, 1863-1906, bulk 1900-1906.

First Lieutenant in the 11th Illinois Cavalry, Company G, who later served as major and aide-de-camp to General James Birdseye McPherson. Includes letters home to family from Brimfield, Peoria County, Illinois, from Camp Benton Barracks, St. Louis, Tennessee, and Louisiana, 1862-1864.