The George Kauffmann Cassette Tapes and Slides consist of materials about the Civil War collected by Kauffmann. The cassette tapes contain Civil War Round Table meeting lectures, 1980-1984, n.d., on such topics as Meade's Left Flank at the Battle of Gettysburg, Lincoln and Religion, the Battles of Bull Run, and Culp's Hill. Speakers include James Kegel, Tony Brogan, and James Robertson, Jr.

The collection also includes slides of Civil War battles and other scenes, and various battlefields and monuments. Topics cover Gettysburg, Shiloh, Antietam, and Vicksburg scenes, the Richmond area, Lincoln's Tomb and New Salem, Illinois, the Civil War Navy, Railroads and the Civil War, and Women and the Civil War. Slides and brochures document Custer's Battlefield National Monument in Montana and other state parks in the United States and Canada.