1To George Washington from Colonel Johann Christoph Koehler, 21 March 1780 (Washington Papers)
My bad State of health, which Since I came to this place has been daily improving puts me under the necessity of troubling Your Excellency wt. my present address. Sometime before I had the misfortune of becoming a prisoner of war, I made application to the Prince of Hesse for leave to return to Germany: His Royal Highness (in consideration of my long service for forty two years, & the want of...