The George Washington Papers at the Library of Congress
Letter George Washington to John Paterson, November 20, 1777
The Writings of George Washington from the Original Manuscript Sources, 1745-1799. John C. Fitzpatrick, Editor.--vol. 10
Sir: I yesterday wrote you a Letter with conditional directions relative to your march. Upon receipt of this, you will proceed by the way of Coryells Ferry and join this army, as expeditiously as possible.
If in consequence of the order given yesterday you should have filed off towards Trenton, you may continue that Route, but in that case you will dispatch a Messenger to give me notice of it, I shall probably be found at the Crooked Billet. I am etc.
http://memory.loc.gov/cgi-bin/query/r?ammem/mgw:@field(DOCID+@lit(gw100099))