The Mark Reardon Collection is composed of research regarding the Battle of Mortain (France) that Reardon assembled while writing Victory at Mortain: Stopping Hitler's Panzer Counteroffensive (2002). This material consists of unit reports (Box 2, Folders 49, 50, Box 3, Folders 1-42), declassified orders (Box 2, Folders 42, 43), written interviews with survivors (Box 1, Folders 63-67), and histories of the different battalions involved (Box 1, Folders 3-26, 45-58).