1To George Washington from Major General Horatio Gates, 27 December 1778 (Washington Papers)
...him back again, with the Letter from Monsr Holker, One from the Marquis de la Fayette,...
2To George Washington from Major General Horatio Gates, 23 November 1778 (Washington Papers)
...concerted a plan with Monsieur Holker for Obtaining the best intelligence possible from Nova-...