George Washington to Major General Robert Howe, 10–11 March 1780General Orders, 11 March 1780John Parke Custis to George Washington, 11 March 1780Lieutenant Colonel Udny Hay to George Washington, 11 March 1780George Washington to Major General Robert Howe, 11 March 1780George Washington to Major General Robert Howe, 11 March 1780Samuel Huntington to George Washington, 11 March 1780Major General Johann Kalb to George Washington, 11 March 1780George Washington to Major General Johann Kalb, 11 March 1780Enclosure: Minutes of Prisoner Exchange Negotiations, 10–14 March 1780[Diary entry: 11 March 1780]Major General Nathanael Greene to George Washington, 8–12 March 1780 