East Prussia, August 17 – 23, 1914
Department of Military Art and Engineering, at the U.S. Military Academy (West Point)
2003-01-01
West Point web site at:<a rel="nofollow" class="external free" href="http://www.westpoint.edu/history/SiteAssets/SitePages/World%20War%20I/WWOne25.jpg">http://www.westpoint.edu/history/SiteAssets/SitePages/World%20War%20I/WWOne25.jpg</a>