Guelzo, Allen C. 2013. Gettysburg The Last Invasion. New York: Knoff. Nesbitt, Mark. 1992. 35 Days to Gettysburg. Pennsylvania: Stackpole Ross, Charles D. 2011. Civil War Acoustic Shadows. Pennsylvania: White Mane Publishing.
Digital Data
Duke University. "Physics 89S - Connected By Sound." Accessed March 6, 2016. http://www.phy.duke.edu/~dtl/89S/restrict/Historical/09Heater.html Making of America. "Sheridan's Battle of Winchester." Accessed March 28, 2016. http://bit.ly/1TCpBaw Michigan War Studies. "The Smell of Battle, the Taste of Siege: A Sensory History of the Civil War." Accessed on February 22, 2016. http://1.usa.gov/1XjgEZy Military Review; Jul/Aug 2003; 83, 4; ProQuest page 73. "Civil War: Acoustic Shadows." Accessed on February 26, 2016. http://1.usa.gov/1WlL9P1 Mississippi History Now. "A Union Soldier's View of the Battle of Raymond." Accessed March 28, 2016. http://www.mshistorynow.mdah.state.ms.us articles/213. National Park Service. "Letters and Diaries of Soldiers and Civilians." Accessed March 6, 2016. http://1.usa.gov/1XjgEZy The American Civil War: Letters and Diaries Database. Accessed March 13, 2016. http://bit.ly/1TCpITs