To George Washington from Capt. Caleb Gibbs, 23 April 1777 [letter not found]
Letter not found: from Capt. Caleb Gibbs, c.23 April 1777. GW wrote Gibbs on 3 May: “Mr Harrison having lost, or mislaid your Letter from Newtown, I have no Acct of what you did, or meant to do, respecting our Baggage.”
“To George Washington from Capt. Caleb Gibbs, 23 April 1777 [letter not found],” Founders Online, National Archives (http://founders.archives.gov/documents/Washington/03-09-02-0230, ver. 2014-05-09). Source: The Papers of George Washington, Revolutionary War Series, vol. 9, 28 March 1777 – 10 June 1777, ed. Philander D. Chase. Charlottesville: University Press of Virginia, 1999, p. 243.