Battle of Chancellorsville, 2 May 1863 (early evening).
United States Army Center of Military History.
Wineman, Bradford Alexander. <i>The Chancellorsville Campaign, January-May 1863</i>. Washington, DC: United States Army Center of Military History, 2013. OCLC: 	847739804. Source: <b><a rel="nofollow" class="external autonumber" href="http://www.history.army.mil/html/books/075/75-9/index.html">[1]</a></b>