This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
monochrome drawing Harper's Pictorial History of the Civil War by Alfred H. Guernsey and Henry W. Alden copyrighted by Harper and Brothers by Alfred H. Guernsey and Henry W. Alden by McDonnell Bros pub. The Puritan Press Co. Chicago Illinois Harper's Pictorial History of the Civil War by Alfred H. Guernsey and Henry W. Alden copyrighted