United States in 1860, Total Population Density by County Date: 1860 Creator: Siczewicz, Peter Category: Place Type: Map Permission: Abraham Lincoln Historical Digitization Project Source: Abraham Lincoln Historical Digitization Project
Land Ho! Date: October 29, 1841 Creator: unknown Category: Equipment Type: Manuscript/Document Permission: Chicago Historical Society Source: Chicago Historical Society
Dixon's Ferry Date: 1903 Creator: unknown Category: Place Type: Painting/Drawing/Etching/Other Permission: Northern Illinois University. Source: Stevens, Frank E. The Black Hawk War. Chicago: Frank E. Stevens, 1903
Map of the Great Lakes area Date: 1679 Creator: unknown Category: Place Type: Map Permission: Chicago Historical Society Source: Chicago Historical Society
Prairie Fire Date: unknown Creator: unknown Category: Place Type: Painting/Drawing/Etching/Other Permission: Chicago Historical Society Source: Chicago Historical Society
Ottawa at the time of the war Date: 1903 Creator: unknown Category: Place Type: Painting/Drawing/Etching/Other Permission: Northern Illinois University. Source: Stevens, Frank E. The Black Hawk War. Chicago: Frank E. Stevens, 1903
Mrs. Jane Martin Johns Date: 1912 Creator: unknown Category: People Type: Photograph Permission: Northern Illinois University Source: Johns, Jane Martin. Personal Recollections of Early Decatur, Abraham Lincoln, Richard J. Oglesby and the Civil War. Decatur, IL: Decatur Chapter of the Daughters of the American Revolution, 1912.
J. M. Peck Date: 1864 Creator: unknown Category: People Type: Painting/Drawing/Etching/Other Permission: University of Chicago Source: Peck, John Mason. Forty years of Pioneer Life: Memoir of John Mason Peck D.D.. Philadelphia: American Baptist Publication Society, 1864.
John Tillson Date: 1919 Creator: unknown Category: People Type: Painting/Drawing/Etching/Other Permission: Northern Illinois University Source: Tillson, Christiana Holmes. A Woman's Story of Pioneer Illinois. Chicago: R.R. Donnelley and Sons Co., 1919.