Note: The list of sources is partial at best. I have no practical way to keep track of the many videos and photos I took in. Even as to books I am certain to have missed a few, and books that helped me here may have been cited in earlier bibliographies in the Front Lines series.
Books
Astor, Gerald. The Bloody Forest. Novato, CA: Presidio Press, 2000.
Atkinson, Rick. The Guns at Last Light (The Liberation Trilogy, Book 3). New York: Henry Holt & Co., 2013.
Beevor, Antony. Ardennes 1944: The Battle of the Bulge. New York: Viking, 2015.
———. D-Day: The Battle for Normandy. New York: Viking, 2009.
Bérubé, Allan. Coming Out Under Fire: The History of Gay Men and Women in World War II. 2nd ed. Chapel Hill, NC: The University of North Carolina Press, 2010.
Bowman, Martin W. Mighty Eighth at War: USAAF 8th Air Force Bombers Versus the Luftwaffe 1943–1945. Barnsley, UK: Pen and Sword, 2010.
Daugherty, James Harden. The Buffalo Saga. XLibris Corp., 2009.
Farmer, Sarah. Martyred Village: Commemorating the 1944 Massacre at Oradour-sur-Glane. Berkeley, CA: University of California Press, 2000.
Franklin, Robert. Medic! Lincoln, NE: University of Nebraska Press, 2006.
Friedrich, Jörg. The Fire—The Bombing of Germany. New York: Columbia University Press, 2006.
Gellhorn, Martha. The Face of War. New York: Atlantic Monthly Press, 1994.
Gildea, Robert. Fighters in the Shadows: A New History of the French Resistance. Cambridge, MA: Belknap Press, 2015.
Graves, Donald E. Blood and Steel 3: The Wehrmacht Archive: The Ardennes Offensive, December 1944 to January 1945. Barnsley, UK: Frontline Books, 2015.
Hackett, David A. The Buchenwald Report. New York: Basic Books, 1995.
Hansen, Randall. Fire and Fury: The Allied Bombing of Germany, 1942–1945. New York: NAL, 2010.
Hébras, Robert. Oradour-sur-Glane—Le Drame heure par heure. Nieul-lès-Saintes, France: Les Productions de Pertuis, 2001.
Heslop, Richard. Xavier: A British Secret Agent with the French Resistance. London: Biteback Publishing, 2014.
McLachlan, Ian. Eighth Air Force Bomber Stories—A New Selection. Stroud, UK: Sutton Publishing, 2004.
McManus, John C. Hell Before Their Very Eyes: American Soldiers Liberate Concentration Camps in Germany, April 1945. Baltimore, MD: Johns Hopkins University Press, 2015.
Miller, Edward G. A Dark and Bloody Ground. College Station, TX: Texas A&M University Press, 1995.
Neitzel, Sonke, and Harald Welzer. Soldaten: On Fighting, Killing, and Dying; The Secret WWII Transcripts of German POWS. New York: Alfred A. Knopf, 2012.
Phillips, Robert F. To Save Bastogne. New York: Henry Holt & Co., 1983.
Rottman, Gordon L. World War II Infantry Assault Tactics. Oxford, UK: Osprey, 2008.
Stone, Dan. The Liberation of the Camps: The End of the Holocaust and Its Aftermath. New Haven, CT: Yale University Press, 2015.
Todorov, Tzvetan. A French Tragedy—Scenes of Civil War, Summer 1944. Hanover, NH: Dartmouth College Press, 1996.
Urban, Mark. The Tank War. Boston: Little, Brown, 2013.
Wieviorka, Olivier. The French Resistance. Cambridge, MA: Belknap Press, 2016.
Yeide, Harry. The Longest Battle: September 1944–February 1945: From Aachen to the Roer and Across. Minneapolis, MN: Zenith Press, 2005.