Contains the following type of material: oral histories. Contains information pertaining to the following war and time period: World War II (WWII) -- European Theater of Operations (ETO). Contains information pertaining to the following military unit and organization: German LXXXI (81st) Corps. General description of the collection: The Battle of Aachen papers include translated statements by General of Infantry Friedrich Koechling (December 9 and 24, 1945, and March 28, 1946) concerning operations by his LXXXI Corps near Aachen (September-November, 1944). This testimony was elicited by a series of questions, perhaps submitted by American officers preparing reports and/or histories of the battle.