. Further reading Bearss, Edwin C. Receding Tide: Vicksburg and Gettysburg: The Campaigns That Changed the Civil War. Washington DC: National Geographic Society, 2010. . Catton, Bruce. Glory Road. Garden City, NY: Doubleday and Company, 1952. . Foote, Shelby. The Civil War: A Narrative. Vol. 2, Fredericksburg to Meridian. New York: Random House, 1958. . Freeman, Douglas S. Lee's Lieutenants: A Study in Command. 3 vols. New York: Scribner, 1946. . Freeman, Douglas S. R. E. Lee, A Biography. 4 vols. New York: Scribner, 1934. Gottfried, Bradley M. The Maps of Gettysburg: An Atlas of the Gettysburg Campaign, June 3 – 13, 1863. New York: Savas Beatie, 2007. . Grimsley, Mark, and Brooks D. Simpson. Gettysburg: A Battlefield Guide. Lincoln: University of Nebraska Press, 1999. . Hall, Jeffrey C. The Stand of the U.S. Army at Gettysburg. Bloomington: Indiana University Press, 2003. . Laino, Philip. Gettysburg Campaign Atlas. 3rd ed. Gettysburg, PA: Gettysburg Publishing, 2009. . First published in 2009 by Gatehouse Press. Mackowski, Chris, Kristopher D. White, and Daniel T. Davis. Fight Like the Devil: The First Day at Gettysburg, July 1, 1863. Emerging Civil War Series. El Dorado Hills, CA: Savas Beatie, 2015. . Teague, Chaplain Chuck. "Barlow's Knoll Revisited", Military History Online website, accessed July 9, 2013. External links Flags of the First Day: An Online Exhibit of Iron Brigade and Confederate battle flags from July 1, 1863: (Civil War Trust) "No Man Can Take Those Colors and Live: The Epic Battle Between the 24th Michigan and 26th North Carolina at Gettysburg: (Civil War Trust) 01